Monodora angolensis Welw., Apont. 587 1859
Creators: name: Couvreur, Thomas L. P.
name: Dagallier, Leo-Paul M. J.
name: Crozier, Francoise
name: Ghogue, Jean-Paul
name: Hoekstra, Paul H.
name: Kamdem, Narcisse G.
name: Johnson, David M.
name: Murray, Nancy A.
name: Sonke, Bonaventure
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Monodora
Monodora angolensis

description: Monodora angolensis Welw., Apont. 587, 1859 Fig. 74; Map 9H = Monodora angolensis var. decidua Hiern, Cat. Afr. Pl. Welw. 1: 13, 1896. Type. Angola. Malanje, Golungo Alto, <i>Welwitsch F.M.J. 776</i>, Dec 1855: holotype: LISC; isotypes: B[B 10 0154049]; BM[BM000889328]; BR[BR0000008802026]; C[C10004780, C10004779]; COI[COI00077210]; G; K[K000198845, <i>pro parte</i>]; LISU[LISU206066, LISU206065]; P[P00363309]. = Monodora angolensis var. microphylla Hiern, Cat. Afr. Pl. Welw. 1: 13, 1896. Type. Angola. Malanje, Pungo Andongo, <i>Welwitsch F.M.J. 775</i>, Jan 1857: holotype: BM; isotype: K[K000198845, <i>pro parte</i>]. = Monodora durieuxii De Wild., Études Fl. Bas-et Moyen-Congo 1: 122, 1903. Type. Democratic Republic of the Congo. Equateur, Wangata, Dewèvre A.P. 613, 14 Jan 1896: lectotype, sheet here designated: BR[BR0000008802354]; isotypes: BR[BR0000008802682, BR0000008802743]. = Monodora letestui Pellegr., Bull. Soc. Bot. France 94: 386, 1947. Type. Gabon. Ogooué-Lolo, Lastoursville, <i>Le Testu G.M.P.C. 7222</i>, Apr 1929: lectotype, sheet here designated: P[P00363310]; isotypes: BM[BM000553855]; BR[BR0000008801692]; LBV <i>n.v.</i>, LISC[LISC000382]; P[P00363311]. = Monodora louisii Boutique, Bull. Jard. Bot. État Brux. 21: 97, 1951. Type. Democratic Republic of the Congo. Orientale, Yangambi, Louis J.L.P. 6612, 15 Nov 1937: lectotype, sheet here designated: BR[BR0000006246730]; isotypes: BM[BM000553857]; BR[BR0000006247065]; C[C10004782, C10004781]; K[K000199023 K000199024]; NY <i>n.v.</i>, P[P00363257]; PRE[PRE0774858-0]; S[S10-21167]. Type. Angola. Malanje; Pungo Andongo, <i>Welwitsch F.M.J. 774</i>, May 1855: holotype: LISC; isotypes: B[B 10 0190365]; BM[BM000553856]; COI[COI00077209]; G[G00011630]; K[K000198843, K000198844]. Description. Tree, 18-20 m tall, d.b.h. 10-25 cm; stilt roots or buttresses absent. <b>Indumentum absent; old leafless branches glabrous, young foliate branches glabrous.</b> Leaves: petiole 2-10 mm long, 1 mm in diameter, glabrous, weakly grooved adaxially, blade inserted on the side of the petiole; blade 4-20 cm long, 2-7.5 cm wide, elliptic, apex acuminate, acumen 0.5-1 cm long, base cuneate to obtuse, coriaceous to papyraceous, below glabrous when young and old, above glabrous when young and old, concolorous; midrib raised above, above glabrous when young and old, below glabrous when young and old; secondary veins 8 to 16 pairs, glabrous below; tertiary venation reticulate. Individuals bisexual; inflorescences ramiflorous on old or young foliate branches, leaf opposed or extra axillary. Flowers with 9 perianth parts in 3 whorls, 1 per inflorescence; pedicel 8-40 mm long, ca. 1 mm in diameter, glabrous; in fruit 25-85 mm long, 5-7 mm in diameter, glabrous; bract 1, towards the upper half of pedicel, 4-17 mm long, 3-12 mm wide; sepals 3, valvate, free, 5-15 mm long, 2-6 mm wide, ovate, apex acute, base truncate, green speckled with red and purple, glabrous outside, glabrous inside, margins undulate; petals basally fused, tube 2-3 mm long, inner and outer whorl differentiated, outer petals longer than inner; outer petals 3, 17-50 mm long, 10-30 mm wide, oblong-obovate, apex truncate, base truncate, red-brown with pale yellow spots towards the apex, <b>margins wavy</b>, glabrous outside, glabrous inside; inner petals 3, valvate, 4-11 mm long, 5-16 mm wide, cordate to rhombic, apex acuminate, base narrowed into a claw, claw 3.0-9 mm long, white tinged with yellow, minutely purple-mottled along margins, <b>margins flat</b>, glabrous outside, glabrous inside; receptacle convex to flat; stamens numerous, in 9 to 11 rows, 1 mm long, broad; connective discoid, glabrous, cream; staminodes absent; carpels fused into a single structure, 1-2 mm long, stigma bilobed, slightly capitate, glabrous. Fruit syncarpous, 35-80 mm long, 35-50 mm in diameter, globose to ovoid, <b>apex apiculate, glabrous, rugose, bumpy</b>, green to brown when ripe; seeds 9-13 mm long, 5-8 mm in diameter, ellipsoid; aril absent. Distribution. A widespread species from eastern Nigeria to northern Angola, Central African Republic, Democratic Republic of Congo, Uganda, western Tanzania and northern Zambia, with one collection from Ivory Coast; in Cameroon known from East, South, Central and Adamaoua regions. Habitat. Fairly uncommon in Cameroon; in primary, secondary, and montane rain forests, gallery forest, sometimes in dry forests. Altitude 0-1800 m a.s.l. Local and common names known in Cameroon. None recorded. Uses in Cameroon. None reported. IUCN conservation status. Least Concern (LC) (Cosiaux et al. 2019y). Notes. <i>Monodora angolensis</i> is distinguished from other species by the combination of the following characters: entirely glabrous leaves and branches and clawed non undulated glabrous inner petals. Specimens examined. <b>Central Region</b>: Environs de Ndokalende 10 km SW de Ndikinimeki, 4.72°N, 10.78°E, <i>04 March 1984</i>, <i>Satabié B.</i> 754 (P,WAG,YA). <b>East Region</b>: Molunda Sation Ngoko Nginda 21 km north of Molundu, 2.2°N, 15.2°E, <i>09 January 1911</i>, <i>Mildbraed G.W.J.</i> 4199 (B,HBG). <b>North Region</b>: Tibati, 6.46°N, 12.63°E, <i>01 February 1909</i>, <i>Ledermann C.L.</i> 2462 (B); km 10 Tibati-Mabouka road, 6.43°N, 12.7°E, <i>29 June 1972</i>, <i>Leeuwenberg A.J.M.</i> 10034 (BR,K,MO,P,WAG,YA). <b>South Region</b>: 18 km east from Lélé village, 2.27°N, 13.32°E, <i>07 September 2013</i>, <i>Couvreur T.L.P.</i> 461 (WAG,YA); 26 km east from Lélé village, 2.28°N, 13.31°E, <i>08 September 2013</i>, <i>Couvreur T.L.P.</i> 477 (WAG,YA).
description: Published as part of <i>Couvreur, Thomas L. P., Dagallier, Leo-Paul M. J., Crozier, Francoise, Ghogue, Jean-Paul, Hoekstra, Paul H., Kamdem, Narcisse G., Johnson, David M., Murray, Nancy A. &amp; Sonke, Bonaventure, 2022, Flora of Cameroon - Annonaceae Vol 45, pp. 1-532 in PhytoKeys 207</i> on pages 247-250, DOI: 10.3897/phytokeys.207.61432
description: {"references": ["Le Thomas, A, 1969b. Annonacees. In: Aubreville, A, Ed., Flore du Gabon. Museum National d'Histoire Naturelle, Paris: 1 - 371", "Couvreur, TLP, 2009. Monograph of the syncarpous African genera Isolona and Monodora (Annonaceae). Systematic Botany Monographs 87: 1 - 150", "Cosiaux, A, Couvreur, TLP, Erkens, RHJ, 2019y. Monodora angolensis. The IUCN Red List of Threatened Species: e.T132680437A133046240. https://doi.org/10.2305/IUCN.UK.2019-3.RLTS.T132680437A133046240.en"]}