cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.1594/pangaea.781285
title: Tree-ring width of Quercus species from historical object sample 6631B/07A, Netherlands, Alkmaar

description: Species: Quercus species; No of rings: 154; first year: 1245; tree-death year: 1399; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781268
title: Tree-ring width of Quercus species from historical object sample 6629B/09A, Romania, Moardas (Mardisch)

description: Species: Quercus species; No of rings: 69; first year: 1719; tree-death year: 1788; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 15; Last ring under bark: present
DOI: 10.1594/pangaea.781296
title: Tree-ring width of Quercus species from historical object sample 6633B/04A, Germany, Bardowick

description: Species: Quercus species; No of rings: 217; first year: 1114; tree-death year: 1331; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 8; Last ring under bark: absent
DOI: 10.1594/pangaea.781311
title: Tree-ring width of Quercus species from historical object sample 6635B/02A, Germany, Verden

description: Species: Quercus species; No of rings: 82; first year: 1370; tree-death year: 1452; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 10; Last ring under bark: present
DOI: 10.1594/pangaea.781318
title: Tree-ring width of Quercus species from historical object sample 6635B/09A, Germany, Verden

description: Species: Quercus species; No of rings: 38; first year: 1376; tree-death year: 1414; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 1; Last ring under bark: absent
DOI: 10.1594/pangaea.781330
title: Tree-ring width of Quercus species from historical object sample 6636B/09A, Germany, Hildesheim

description: Species: Quercus species; No of rings: 35; first year: 1305; tree-death year: 1340; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 9; Last ring under bark: absent
DOI: 10.1594/pangaea.781341
title: Tree-ring width of Quercus species from historical object sample 6637B/06A, Germany, Bardowick

description: Species: Quercus species; No of rings: 111; first year: 1686; tree-death year: 1797; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 12; Last ring under bark: absent
DOI: 10.1594/pangaea.781340
title: Tree-ring width of Quercus species from historical object sample 6637B/05A, Germany, Bardowick

description: Species: Quercus species; No of rings: 99; first year: 1701; tree-death year: 1800; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 12; Last ring under bark: present
DOI: 10.1594/pangaea.781342
title: Tree-ring width of Quercus species from historical object sample 6638B/01A, Netherlands, Haarlem

description: Species: Quercus species; No of rings: 60; first year: 1346; tree-death year: 1406; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 4; Last ring under bark: absent
DOI: 10.1594/pangaea.781384
title: Tree-ring width of Quercus species from historical object sample 6644B/15M, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 201; first year: 1318; tree-death year: 1519; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781385
title: Tree-ring width of Quercus species from historical object sample 6644B/17M, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 67; first year: 1370; tree-death year: 1437; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781365
title: Tree-ring width of Quercus species from historical object sample 6642B/02A, Germany, Lingen-Schepsdorf

description: Species: Quercus species; No of rings: 110; first year: 1713; tree-death year: 1823; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 15; Last ring under bark: present
DOI: 10.1594/pangaea.781388
title: Tree-ring width of Quercus species from historical object sample 6645B/02A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 124; first year: 1392; tree-death year: 1516; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 8; Last ring under bark: absent
DOI: 10.1594/pangaea.781346
title: Tree-ring width of Quercus species from historical object sample 6639B/01A, Germany, Hildesheim

description: Species: Quercus species; No of rings: 136; first year: 1532; tree-death year: 1668; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781348
title: Tree-ring width of Quercus species from historical object sample 6640B/01A, Germany, Lingen-Schepsdorf

description: Species: Quercus species; No of rings: 163; first year: 1561; tree-death year: 1724; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 17; Last ring under bark: present
DOI: 10.1594/pangaea.781398
title: Tree-ring width of Quercus species from historical object sample 6645B/12A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 190; first year: 1353; tree-death year: 1543; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 20; Last ring under bark: present
DOI: 10.1594/pangaea.781462
title: Tree-ring width of Quercus species from historical object sample 6656B/05B, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 124; first year: 1401; tree-death year: 1525; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 12; Last ring under bark: absent
DOI: 10.1594/pangaea.781409
title: Tree-ring width of Quercus species from historical object sample 6646B/02A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 58; first year: 1398; tree-death year: 1456; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 6; Last ring under bark: absent
DOI: 10.1594/pangaea.781459
title: Tree-ring width of Quercus species from historical object sample 6656B/02A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 62; first year: 1638; tree-death year: 1700; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 6; Last ring under bark: absent
DOI: 10.1594/pangaea.781369
title: Tree-ring width of Quercus species from historical object sample 6642B/06A, Germany, Lingen-Schepsdorf

description: Species: Quercus species; No of rings: 63; first year: 1773; tree-death year: 1836; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 8; Last ring under bark: absent
DOI: 10.1594/pangaea.781373
title: Tree-ring width of Quercus species from historical object sample 6644B/02A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 121; first year: 1398; tree-death year: 1519; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 3; Last ring under bark: absent
DOI: 10.1594/pangaea.781463
title: Tree-ring width of Quercus species from historical object sample 6656B/06M, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 128; first year: 1401; tree-death year: 1529; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781465
title: Tree-ring width of Quercus species from historical object sample 6657B/02A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 206; first year: 1419; tree-death year: 1625; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 17; Last ring under bark: present
DOI: 10.1594/pangaea.781432
title: Tree-ring width of Quercus species from historical object sample 6649B/03A, Netherlands, Kampen

description: Species: Quercus species; No of rings: 65; first year: 1569; tree-death year: 1634; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781519
title: Tree-ring width of Quercus species from historical object sample 6666B/06A, Netherlands, Alkmaar

description: Species: Quercus species; No of rings: 114; first year: 1477; tree-death year: 1591; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 3; Last ring under bark: absent
DOI: 10.1594/pangaea.781460
title: Tree-ring width of Quercus species from historical object sample 6656B/03A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 79; first year: 1450; tree-death year: 1529; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 20; Last ring under bark: present
DOI: 10.1594/pangaea.781479
title: Tree-ring width of Quercus species from historical object sample 6659B/04A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 63; first year: 1668; tree-death year: 1731; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 12; Last ring under bark: present
DOI: 10.1594/pangaea.781526
title: Tree-ring width of Quercus species from historical object sample 6667B/07A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 158; first year: 1478; tree-death year: 1636; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 16; Last ring under bark: present
DOI: 10.1594/pangaea.125606
title: Mineral composition of 0.1-0.05 mm size fraction of sediment core PS-1293
DOI: 10.1594/pangaea.781518
title: Tree-ring width of Quercus species from historical object sample 6666B/05A, Netherlands, Alkmaar

description: Species: Quercus species; No of rings: 155; first year: 1445; tree-death year: 1600; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 9; Last ring under bark: absent
DOI: 10.1594/pangaea.781527
title: Tree-ring width of Quercus species from historical object sample 6667B/08A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 34; first year: 1437; tree-death year: 1471; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781524
title: Tree-ring width of Quercus species from historical object sample 6667B/05A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 93; first year: 1511; tree-death year: 1604; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 1; Last ring under bark: absent
DOI: 10.1594/pangaea.781538
title: Tree-ring width of Quercus species from historical object sample 6668B/02A, Germany, Hardegsen-Espol

description: Species: Quercus species; No of rings: 170; first year: 1645; tree-death year: 1815; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 24; Last ring under bark: present
DOI: 10.1594/pangaea.781492
title: Tree-ring width of Quercus species from historical object sample 6662B/01A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 63; first year: 1645; tree-death year: 1708; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 5; Last ring under bark: absent
DOI: 10.1594/pangaea.781525
title: Tree-ring width of Quercus species from historical object sample 6667B/06A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 40; first year: 1435; tree-death year: 1475; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781530
title: Tree-ring width of Quercus species from historical object sample 6667B/11A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 32; first year: 1441; tree-death year: 1473; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781502
title: Tree-ring width of Quercus species from historical object sample 6663B/06A, Netherlands, Schoonebeek

description: Species: Quercus species; No of rings: 120; first year: 1571; tree-death year: 1691; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 23; Last ring under bark: present
DOI: 10.1594/pangaea.781533
title: Tree-ring width of Quercus species from historical object sample 6667B/14A, Netherlands, Nijeholtpade

description: Species: Quercus species; No of rings: 41; first year: 1435; tree-death year: 1476; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781556
title: Tree-ring width of Quercus species from historical object sample 6672B/10A, Netherlands, Alkmaar

description: Species: Quercus species; No of rings: 72; first year: 1381; tree-death year: 1453; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 10; Last ring under bark: absent
DOI: 10.1594/pangaea.781612
title: Tree-ring width of Quercus species from historical object sample 6681B/01A, Germany, Verden

description: Species: Quercus species; No of rings: 37; first year: 1317; tree-death year: 1354; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 7; Last ring under bark: absent
DOI: 10.1594/pangaea.781570
title: Tree-ring width of Abies alba Kill. from historical object sample 6673B/03A, Netherlands, Koog aan de Zaan

description: Species: Abies alba Kill.; No of rings: 90; first year: 1574; tree-death year: 1664; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781581
title: Tree-ring width of Quercus species from historical object sample 6675B/07A, Germany, Varel

description: Species: Quercus species; No of rings: 92; first year: 1463; tree-death year: 1555; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145598
title: Tree-ring width of Quercus species from historical object sample 6489B/04A, Netherlands, Uitgeest

description: Species: Quercus species; No of rings: 99; first year: 1447; end year: 1546; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145773
title: Tree-ring width of Pinus sylvestris from historical object sample 6438B/07A, Netherlands, 's-Hertogenbosch

description: Species: Pinus sylvestris; No of rings: 212; first year: 1419; end year: 1631; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 42; Last ring under bark: absent
DOI: 10.1594/pangaea.145597
title: Tree-ring width of Quercus species from historical object sample 6490B/01A, Netherlands, Vessem

description: Species: Quercus species; No of rings: 49; first year: 1341; end year: 1390; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 16; Last ring under bark: present
DOI: 10.1594/pangaea.145621
title: Tree-ring width of Picea abies from historical object sample 6486B/03B, Netherlands, Groningen

description: Species: Picea abies; No of rings: 42; first year: 1559; end year: 1601; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145626
title: Tree-ring width of Quercus species from historical object sample 6485B/04A, Netherlands, Adorp

description: Species: Quercus species; No of rings: 101; first year: 1441; end year: 1542; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 18; Last ring under bark: present
DOI: 10.1594/pangaea.145968
title: Tree-ring width of Quercus species from historical object sample 6352B/02A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 118; first year: 1321; end year: 1439; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781673
title: Tree-ring width of Quercus species from historical object sample 6686B/12M, France, Daubeuf-la-Campagne

description: Species: Quercus species; No of rings: 102; first year: 1660; tree-death year: 1762; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145961
title: Tree-ring width of Quercus species from historical object sample 6352B/09A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 69; first year: 1372; end year: 1441; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781622
title: Tree-ring width of Quercus species from historical object sample 6682B/04A, Germany, Rheine

description: Species: Quercus species; No of rings: 53; first year: 1560; tree-death year: 1613; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 6; Last ring under bark: absent
DOI: 10.1594/pangaea.145979
title: Tree-ring width of Quercus species from historical object sample 6351B/01A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 114; first year: 1337; end year: 1451; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 8; Last ring under bark: absent
DOI: 10.1594/pangaea.146124
title: Tree-ring width of Quercus species from historical object sample 6310B/05M, Netherlands, Haarlem

description: Species: Quercus species; No of rings: 92; first year: 1318; end year: 1410; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146167
title: Tree-ring width of Quercus species from historical object sample 6303B/01A, Belgium, Antwerpen

description: Species: Quercus species; No of rings: 41; first year: 1519; end year: 1560; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781636
title: Tree-ring width of Quercus species from historical object sample 6683B/07A, France, Daubeuf-la-Campagne

description: Species: Quercus species; No of rings: 53; first year: 1701; tree-death year: 1754; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 9; Last ring under bark: present
DOI: 10.1594/pangaea.145982
title: Tree-ring width of Quercus species from historical object sample 6350B/11A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 58; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.781639
title: Tree-ring width of Quercus species from historical object sample 6683B/10A, France, Daubeuf-la-Campagne

description: Species: Quercus species; No of rings: 62; first year: 1664; tree-death year: 1726; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146122
title: Tree-ring width of Quercus species from historical object sample 6311B/02A, Netherlands, Haarlem

description: Species: Quercus species; No of rings: 83; first year: 1379; end year: 1462; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 15; Last ring under bark: present
DOI: 10.1594/pangaea.781588
title: Tree-ring width of Quercus species from historical object sample 6676B/04A, Germany, Varel

description: Species: Quercus species; No of rings: 57; first year: 1412; tree-death year: 1469; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146361
title: Tree-ring width of Quercus species from historical object sample 6193B/06B, Netherlands, Zutphen

description: Species: Quercus species; No of rings: 20; first year: 1450; end year: 1470; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146484
title: Tree-ring width of Quercus species from historical object sample 6178B/14M, Netherlands, Tolbert

description: Species: Quercus species; No of rings: 144; first year: 1463; end year: 1607; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145991
title: Tree-ring width of Quercus species from historical object sample 6350B/01A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 28; first year: 1382; end year: 1410; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 2; Last ring under bark: absent
DOI: 10.1594/pangaea.781674
title: Tree-ring width of Quercus species from historical object sample 6687B/01A, France, La Chapelle Haute Grue

description: Species: Quercus species; No of rings: 46; first year: 1280; tree-death year: 1326; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146486
title: Tree-ring width of Quercus species from historical object sample 6178B/11A, Netherlands, Tolbert

description: Species: Quercus species; No of rings: 94; first year: 1513; end year: 1607; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 20; Last ring under bark: present
DOI: 10.1594/pangaea.781661
title: Tree-ring width of Quercus species from historical object sample 6685B/12M, France, Daubeuf-la-Campagne

description: Species: Quercus species; No of rings: 40; first year: 1402; tree-death year: 1442; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146145
title: Tree-ring width of Quercus species from historical object sample 6307B/05A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 47; first year: 1416; end year: 1463; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 14; Last ring under bark: present
DOI: 10.1594/pangaea.146363
title: Tree-ring width of Quercus species from historical object sample 6193B/05C, Netherlands, Zutphen

description: Species: Quercus species; No of rings: 30; first year: 1094; end year: 1124; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.145992
title: Tree-ring width of Quercus species from historical object sample 6349B/02M, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 115; first year: 1343; end year: 1458; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146485
title: Tree-ring width of Quercus species from historical object sample 6178B/13M, Netherlands, Tolbert

description: Species: Quercus species; No of rings: 144; first year: 1463; end year: 1607; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
DOI: 10.1594/pangaea.146018
title: Tree-ring width of Quercus species from historical object sample 6340B/05A, Netherlands, 's-Hertogenbosch

description: Species: Quercus species; No of rings: 69; first year: 1375; end year: 1444; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent