Volume 4 > Part 1 > Year 1984 > Page 35 > Leguminosae-Caesalpinioideae > Bauhinia

30. Bauhinia saigonensis Pierre ex Gagnep.wfo-0000199582

in Lecomte, Not, Syst. (Paris) 2: 179. 1912; Gagnep. in Fl. Gén. I.–C. 2: 126. 1913; K.Larsen & S.S.Larsen, in Fl. C.L.V. 18: 195. 1980. Fig. 7: 6–8.

Accepted Name : Phanera saigonensis (Pierre ex Gagnep.) Mackinder & R.Clark
Phytotaxa 166(1): 62. 2014.

Synonyms & Citations :

Description : Tendrilled climber up to 14 m; branches glabrous. Leaves obovate, 8 by 6 cm, 9–11-nerved; bifid to ⅓–½with broad sinus, tip of lobes rounded, base cordate; both sides glabrous, lower pale. Stipules gladucous, not seen. Petioles glabrous, 1.5–2 cm. Racemes dense, terminal, up to 10 cm long, shortly brownish puberulous. Peclicels up to 10 mm long. Bracts lanceolate, 8–12 mm, acuminate; bracteoles linear, 7 mm, inserted above the middle of the pedicel. Buds 8–10 mm long, clavate, slightly falcate, apex ending with 5 short, free tips. Receptacle tubular, 3–5 mm, slightly dilated towards base. Calyx splitting into 5 sepals, 11 mm long, attenuateat base. Petals greenish-white, glabrous outside, inside hairy towards the claw, posterior one deltoid, lateral ones narrow lanceolate, lamina 6–8 mm, claw as long as or slightly shorter than lamina. Stamens 3 fertile; filaments glabrous, twice as long as the petals; anthers oblong, 2–3 mm long; staminodes 2, filiform, 2–3 mm. Ovary reddish sericeous, 5 mm long on a 7 mm long stipe; style glabrous, 10 mm; stigma capitate. Pods dehiscent, flat, glabrous, 10 by 3 cm, narrowed towards base (only one young pod available).

Thailand : EASTERN: Surin (Sangkha-Samsawng [Cambodia]).

Distribution : Laos, Cambodia, S Vietnam (type).

Ecology : Mixed deciduous forests, 200–300 m alt.

Notes: The only collection from Thailand consists of very poor material (one flower and one pod), it probably belongs to var. gagnepainiana K.Larsen & S.S.Larsen.

E-version notes : Phanera saigonensis ( Pierre ex Gagnep. ) Mackinder & R.Clark var. gagnepainiana (K.Larsen & S.S.Larsen) Mackinder & R.Clark, Phytotaxa 166(1): 62. 2014.