e-Flora of Thailand

Volume 4 > Part 1 > Year 1984 > Page 38 > Leguminosae-Caesalpinioideae > Bauhinia

33. Bauhinia integrifolia Roxb.wfo-0000199522

[Hort. Beng.: 90. 1814 norm nud.]; Fl. Ind. ed. 2. 2: 331. 1832; Baker in Hook.f., Fl. Br. Ind. 2: 279. 1878; Craib in Fl. Siam. En. 1: 522. 1928; K.Larsen & S.S.Larsen, Nat. Hist. Bull. Siam Soc. 25: 11. 1973. Fig. 9: 1–3.


Accepted Name : Phanera integrifolia (Roxb.) Benth.
F.A.W.Miquel, Pl. Jungh.: 263 (1852)



Synonyms & Citations :

Bauhinia holosericea Ridl., J. Asiat. Soc. StR.Br. 75: 182. 1917.
Bauhinia flammifera Ridl., J. Asiat. Soc. StR.Br. 82: 182. 1920; Fl. Mal. Pen. 1: 613. 1922; Craib in Fl. Siam. En. 1: 521. 1928.


Description : Large, tendrilled climber; young branches rusty pubescent, later glabrous. Leaves broadly ovate to rotundate, up to 12 by 15 cm. 9–11-nerved; apex entire to emarginate or shallowly bifid with a wide deltoid sinus, tip of lobes acute to rounded; base deeply cordate; upper surface glabrous, glossy, lower glabrous when fully grown. Stipules minute, rounded, early caducous. Petioles 1–5 cm. Flowers in rusty pubescent panicles composed of corymbose racemes. Pedicels slender; up to 3 cm. Bract narrowly lanceolate, up to 3 mm; bracteoles minute, inserted at about the middle of the pedicel. Buds globose with acute apex, 3–4 mm diam. Receptacle tubular, striate, 2–4 mm. Calyx splitting into 2–3 reflexed segments. Petals 8–15 mm long, orange turning red, hirsute outside, obovate, tapering towards the short claw. Stamens 3 fertile. Filaments filiform, slightly longer than the petals; anthers ellipsoid ca 1 mm; staminodes 2, minute. Ovary subsessile, ca 4 mm, rusty hirsute; style 5 mm, glabrous towards the capitate stigma. Pods dehiscent, oblong, glabrous when ripe, 15–20 by 2–5 cm. Seeds 5–8, flat, ovate-orbicular, ca 2 cm diam.


Thailand : PENINSULAR: common, not found north of the Isthmus of Kra.


Distribution : (of subsp. integrifolia) — Malay Peninsula (Penang – type).


Ecology : Evergreen forests, up to 900 m alt.


Vernacular : Chongkho yan (ชงโคยาน), cliingkho yan (ชิงโคย่าน), po ling (ปอลิง), lep khwai yai (เล็บควายใหญ่)(Peninsular); thao fai (เถาไฟ), yothaka (โยทะกา)(Central).


Notes: All Thai specimens belong to subsp. integrifolia. Bauhinia pierrei Gagnep. Mentioned by de Wit, l.c.: 478 as a synonym is certainly a different species with distribution NE of Thailand. It was not described from Thailand, as said by de Wit, l.c.: 480 but from Laos.


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