e-Flora of Thailand

Volume 8 > Part 1 > Year 2005 > Page 90 > Euphorbiaceae > Aporosa

8. Aporosa lunata (Miq.) Kurzwfo-0000249102

J. Asiat. Soc. Bengal 42.2, 4: 239. 1873; Hook.f., Fl. Brit. Ind. 5: 352. 1887; Airy Shaw, Kew Bull. 26: 216. 1972: Whitmore, Tree Fl. Malaya 2: 59. 1973; Airy Shaw, Kew Bull. Add. Ser. 4: 38. 1975.— Antidesma lunatum Miq., Suppl.: 467. 1860. Fig. 18.


Accepted Name : This is currently accepted.


Description : Tree, up to 27 m high; branches green, tomentose. Stipules falcate, 6–9 by 11–15 mm, mainly persistent. Leaves: petiole reniform, 6–20 mm long, pulvini distinct; blade elliptic to obovate, 9.5–43 by 3.5–13 cm, length/width ratio 2.7–3.3, coriaceous, drying bright green to reddish brown above, (light) golden brown beneath, base obtuse to emarginate, basal glands absent, margin subentire, marginal glands black, indistinct, apex acuminate, mainly hairy on midrib above, hirsute on venation beneath, disc-like glands many, outside marginal nerve arches; venation bullate, nerves in 10–14 pairs. Inflorescences axillary. Staminate inflorescences 3–6 together, 15–33 mm long, puberulous, peduncle 1.5–4 mm long; bracts not seen; glomerules indistinct, with more than 10 flowers, spaced continuously along rachis. Staminate flowers 1.5–2.5 mm long; pedicel minute; sepals 4 or 5, obovate, 0.5–1 mm long, connate to halfway; stamens 2 or 3, strongly exserted, 1.2–2 mm long; anthers 0.1–0.2 mm long; pistillode present. Pistillate inflorescences 2–5 together, 7–27(–45) mm long, 1–1.2 mm in diam., puberulous, flowers up to 15, densely arranged at apical 7/8 of rachis; bracts triangular, 0.4–0.5 mm long. Pistillate flowers 2–3 mm long; pedicel 1–1.5 mm long, densely sericeous; sepals 5 or 6, elliptic, patent, ca 1 mm long; staminodes 0 (2 or 3); ovary 3(4)-locular, tomentose; stigmas sessile, 2–3 mm long, bifid to ca halfway. Fruits ovoid, sometimes slightly flask-shaped, not stiped, not beaked, 10–16 by 9–14 mm, sparsely hairy, glabrescent, red, not fleshy; septae and column glabrous. Seeds 8–9 by 7–8 by 3–4 mm.


Thailand : PENINSULAR: Phangnga (Khao Bangta), Krabi (Ko Pu), Trang (Khao Sung).


Distribution : Malay Peninsula, Sumatra (type), Java, Borneo.


Ecology : Primary and secondary lowland evergreen forests; on hillsides, ridges, and along river banks; in flat, hilly, and moist land; on sandstone, sandy and clay rich, granitic rock, or granodioirite derived; low to 1,300 m alt.


Vernacular : Mueat siao (เหมือดเสี้ยว)(Peninsular).


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