Volume 4 > Part 3 > Year 2018 > Page 227 > Leguminosae-Papilionoideae > Ormosia

2. Ormosia grandistipulata Whitmorewfo-0000200620

Gard. Bull. Singapore 24: 6. 1969 & Tree Fl. Malaya 1: 301. 1972; Niyomdham, Thai Forest Bull., Bot. 13: 5, f. 2. 1980; Mattapha et al., Thai Forest Bull., Bot. 45(2): 118. 2017.

Accepted Name : This is currently accepted.

Description : Tree to 15 m tall; young shoots, inflorescences and calyces pubescent. Stipules large, ovate, 2–5 by 1–3 cm, puberulous on both sides, persistent. Leaves with petioles 6–10 cm long; rachis 20–25 cm long, puberulous. Leaflets 9–13, coriaceous, oblong-obovate, 4–18 by 2.5–8 cm, apex acuminate to cuspidate, base cuneate; upper surface glabrous, lower surface glabrescent, sparsely hairy along midrib; lateral veins 8–10 pairs; petiolues 6–10 cm long. Inflorescences terminal, paniculate, 25–30 cm long, pubescent; secondary axes up to 16 cm long; bracts similar to stipules but much smaller, puberulous; bracteoles similar to bracts, ca 1 by 0.5 mm, inserted at top of pedicels, outside hairy, inside glabrous; pedicels ca 3 mm long, hairy. Calyx campanulate, 3–3.5 mm long: lobes triangular, apex acute, both sides densely hairy, upper lobes 2, ca 3 by 3–4 mm, lower lobes 3, ca 2 by 3.4–4 mm. Corolla creamy white; standard obovate with basal callosities, 7–8 by 9.5–10 mm, apex retuse, base minutely auriculate, margin entire, both sides glabrous, claw ca 2 mm long; wings oblong, ca 6 by 3 mm, apex obtuse, base minutely auriculate, margin entire, both sides glabrous, claw ca 3 mm long; keel falcate, ca 6 by 3–3.5 mm, apex obtuse, base minutely auriculate, margin entire, both sides glabrous, claw 4.5–5 mm long. Stamens all free; filaments glabrous, short ones ca 7 mm long, long ones ca 10 mm long; anthers more or less flattened, ca 0.8 by 0.5 mm. Ovary hairy at base and along sutures; stipe ca 2 mm long; ovules 2; style 5–6 mm long, glabrous. Pods elliptic-oblong, fleshy, glabrous, 4–5 by 2–3 cm; valves thickened, coriaceous, yellow to yellowish brown when mature, glabrous. Seeds 1 (–2), laterally compressed, ca 25 by 15 mm; testa hard, scarlet, papillate, not easily separable from the cotyledons.

Thailand : PENINSULAR: Yala.

Distribution : Peninsular Malaysia (Terengganu – type).

Ecology : Tropical rain forests, ca 50 m alt.

Vernacular : Phai chang (ไพช้าง).