Bignoniaceae
Creators: name: Pace, Marcelo R.
name: Marcati, Carmen R.
name: Lohmann, Lúcia G.
name: Angyalossy, Veronica
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Bignoniaceae

description: SECTION 5. KEY FOR THE IDENTIFICATION OF LIANA BIGNONIACEAE GENERA USING BARK ANATOMY
1a. Cambial variant absent ............................................................................................................................... 2
1b. Cambial variant present ............................................................................................................................. 4
2a. Single periderm .......................................................................................................................................... 3
2b. Multiple sequent periderms (rhytidome) ........................................... Podranea ricasoliana (Tanfani) Sprague
3a. Phellem non-stratified .................................................................... Pandorea jasminoides (Lindl.) Schumann
3b. Phellem stratified ........................................ Tanaecium tetramerum (A.H.Gentry) Zuntini & L.G.Lohmann
4a. Intraxylary phloem (dumbbell shaped in the pith) (Fig. 3A insert) ..................... Campsis radicans (L.) Seem.
4b. Phloem arcs in non-equidistant fashion (Fig. 3B) ........................... Pandorea jasminoides (Lindl.) Schumann
4c. Four equidistant phloem arcs (Fig. 3D) .......................................................... Perianthomega vellozoi Bureau
4d. Four to multiples of four equidistant phloem wedges ................................................................................. 5
5a. Four phloem wedges in stems thicker than 2 cm (Fig. 3E) ......................................................................... 6
5b. Multiples of four phloem wedges in stems thicker than 2 cm (Fig. 3G) .................................................... 11
5c. Included phloem wedges (close to the pith) in stems thicker than 4 cm (Fig. 3I) ........................................... ................................................................................................. Amphilophium Kunth emend L.G.Lohmann
5d. Multiple dissected phloem wedges, limiting rays greatly dividing and dissecting the tissues inside the stem (Fig. 3H) ..................................................................................... Dolichandra Cham. emend L.G.Lohmann
6a. Regular phloem non-stratified, with exclusively sclereids ................................................... Pleonotoma Miers
6b. Regular phloem stratified, with fiber bands ................................................................................................ 7
7a. Hollow stems .................................................................................................................. Stizophyllum Miers
7b. Pith not-hollow, parenchymatic ................................................................................................................. 8
8a. Phloem wedges with lateral steps ................................................................................................................ 9
8b. Phloem wedges without lateral steps, even in large stems (over 3 cm) ........ Tanaecium Sw. emend L.G.Lohmann
8c. Variant phloem non-fibrous .......................................................................................................................... .......................... Adenocalymma Mart. ex Meisn. emend L.G.Lohmann, Callichlamys Miq., Martinella Baill.
8d. Variant phloem semi-fibrous or fibrous .................................................................................................... 11
9a. Phloem wedges lateral steps almost perfectly symmetrical on both sides (perfectly V shaped) ........................ ................................................................................................................... Cuspidaria DC., Tynanthus Miers
9b. Phloem wedges not perfectly V shaped, lateral steps not symmetrical ....................................................... 10
10a. Fiber bands with fibers conspicuously radially elongated ........................................... Manaosella J.C.Gomes
10b. Fiber bands with rectangular to polygonal fibers ............................................................................................ Adenocalymma Mart. ex Meisn. emend L.G.Lohmann, Fridericia Mart. emend L.G.Lohmann, Xylophragma Sprague
11a. Fresh stems with strong garlic smell, non-fibrous phloem .......................................................... Mansoa DC.
11b. Fresh stems without a garlic smell ............................................................................................................ 12
12a. Variant phloem non-fibrous ..................................................................................................................... 13
12b. Variant phloem fibrous ....... Adenocalymma Mart. ex Meisn. emend L.G.Lohmann, Lundia DC., Mansoa DC.
13a. Periderm with prismatic crystals ............................................... Amphilophium Kunth emend L.G.Lohmann
13b. Periderm without crystals ........................................... Adenocalymma Mart. ex Meisn. emend L.G.Lohmann, ..................................................... Anemopaegma Mart. ex Meisn., Bignonia L., Mansoa DC., Pyrostegia C.Presl
description: Published as part of Pace, Marcelo R., Marcati, Carmen R., Lohmann, Lúcia G. & Angyalossy, Veronica, 2023, Bark anatomy of lianescent Bignoniaceae: a generic synopsis, pp. 167-210 in Adansonia (3) (3) 45 (12) on pages 199-200, DOI: 10.5252/adansonia2023v45a12, http://zenodo.org/record/8006364