e-Flora of Thailand
Volume 4 > Part 3 > Year 2018 > Page 232 > Leguminosae-Papilionoideae > Ormosia
7. Ormosia penangensis Ridl.wfo-0000207317
J. Straits Branch Roy. Asiat. Soc. 68: 11. 1915 & Fl. Malay Penins. 1: 613. 1922; Merr. & Chen, Sargentia 3: 83. 1943; van Meeuwen, Reinw. 6: 233. 1962; Backer & Bakh.f., Fl. Java 3: 650. 1968; Whitmore, Tree Fl. Malaya 1: 301. 1972; van Steenis, Reinw. 10: 22. 1982; Mattapha et al., Thai Forest Bull., Bot. 45(2): 122. 2017.— Fedorovia penangensis (Ridl.) Yakovl., Nov. Syst. Pl. Vasc. 10: 195. 1973.
Accepted Name : This is currently accepted.
Synonyms & Citations :
Description : Tree 12–25 m tall; young shoots, inflorescences and calyces pubescent. Stipules indistinct. Leaves with petioles 0.8–3.8 cm long; rachis 1.6–11 cm long, pubescent to glabrescent. Leaflets 3–7, coriaceous, elliptic-oblong, 2.5–9.7 by 1.8–4.5 cm, upper surface glabrous, lower surface glabrescent to sparsely hairy, glaucous, apex acute to acuminate with minutely apiculate, base cuneate to obtuse, margin entire; lateral veins 7–12 pairs; petiolules 2–5 mm long. Inflorescences terminal and axillary, paniculate, up to 10 cm long. Pods subglobose to oblong, septate between seeds, subdiscoid if 1-seeded, 4.5–10 by 2.8–4.5 cm, woody, rugose, densely hairy with brown hairs, margin crested; valves thickened; stipe 0.5–2.3 mm long. Seeds 2–6, ovoid, laterally compressed, 15–28 by 15–25 mm, reddish brown, smooth.
Thailand : PENINSULAR: Yala (Than To, Khao Hin Yok), Narathiwat.
Distribution : Peninsular Malaysia (type).
Ecology : Disturbed evergreen forests on thin soil over quartzite and on limestone mountain in evergreen forests, 450–500 m alt.
Vernacular : Phai pinang (ไพปีนัง).