e-Flora of Thailand
Volume 11 > Part 4 > Year 2014 > Page 638 > Sapotaceae > Palaquium
8. Palaquium rostratum (Miq.) Burckwfo-0000262683
Ann. Jard. Bot. Buitenzorg 5: 39. 1886; Heyne, Nutt. Pl. Ned. Ind., ed. 1, 4: 24. 1917; H.J.Lam, Bull. Jard. Bot. Buitenzorg, Sér. 3, 7: 40, 254. 1925 & 3, 8: 396. 1927; H.R.Fletcher in Craib & Kerr, Fl. Siam. 2: 358. 1938; P.Royen, Blumea 10: 568. 1960; Ng in Whitmore, Tree Fl. Malaya 1: 426, f. 9. 1972; Pennington, Gen. Sapot.: 152. 1991; Chantar., Thai Forest Bull., Bot. 27: 154. 1999; Abang Mohd. Mohtar in Soepadmo, Saw & Chung, Tree Fl. Sabah & Sarawak 4: 302. 2002.— Isonandra rostrata Miq., Fl. Ned. Ind., Eerste Bijv. 581. 1861.— Croixia rostrata (Miq.) Baehni, Boissiera 11: 109. 1965.
Accepted Name : This is currently accepted.
Description : Tree to 30 m tall; branchlets terete or angular, greyish puberulous or glabrescent. Leaves scattered or mostly at apex of branchlets; lamina coriaceous, obovate, 10–11 by 4.8–6 cm; apex rounded, obtuse or retuse; base cuneate, decurrent; both surfaces glabrous; midrib flat or slightly grooved above, somewhat minutely crested, keeled below; secondary veins 16–20 on each side, arched, hardly distinguished from the tertiary veins; tertiary veins parallel-reticulate; petioles 2.5–3 cm long, flat and crested above, angular below, puberulous; stipules lanceolate, ca 1 by 0.5 mm, puberulous outside, glabrous inside, caducous. Flowers 2–6 in axils of fallen leaves; pedicels angular, 5–7 mm long, reddish brown tomentose. Sepals 6, reddish brown tomentose outside, glabrous inside; outer sepals triangular or broadly ovate, 4–4.7 by 3.5–4.4 mm, slightly crested; inner sepals ovate, 4.3–4.5 by 2.7–3 mm, crested, with membranous, glabrous, fimbriate margin. Corolla 6.8–7.5 mm long, glabrous except sparsely reddish brown sericeous on the corolla base and along the mid-line of the lobes outside, reddish brown woolly in the throat; tube 1.8–2 mm long; lobes 6, oblong-ovoid, 5–5.5 by 2.1–2.5 mm. Stamens 12, 4.3–4.7 mm long; filaments filiform, 0.3–0.5 mm long, reddish brown woolly, glabrescent; anthers ovoid, extrorse, 2.2–2.5 mm long, brown woolly, glabrescent; connective bifid, 0.2–0.4 mm long, glabrous. Ovary discoid, 6-locular, reddish brown hirsute at base (according to Royen glabrous). Fruits more or less globose, ca 2 by 1.8 cm.
Thailand : PENINSULAR: Phuket (Ko Pa Ban Kiap), Krabi (Khlong Ton).
Distribution : Peninsular Malaysia, Sumatra (Bangka – type), Borneo, Java, Celebes, Amboina.
Ecology : In evergreen forests, ca 200 m alt.
Vernacular : Phikun pa (พิกุลป่า)(Peninsular).
Uses: Ripe friuts edible.