e-Flora of Thailand

Volume 2 > Part 4 > Year 1981 > Page 415 > Elaeocarpaceae > Elaeocarpus

4. Elaeocarpus stipularis Blumewfo-0000664785

Bijdr. 1: 121. 1825; Mast. in Hook.f., Fl. Br. Ind. 1: 404. 1874; Kurz. Fl. Burm. 1: 170. 1877; Ridl., Fl. Mal Pen. 1: 311, 29. 1922; Phengklai, Thai For. Bull. (Bot.) 10: 20. f. 6. 1977. Fig. 6.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Elaeocarpus tomentosus Blume, Bijdr.: 121. 1825; Gagnep. in Fl. Gén. I.-C. 1: 575. 1911.
Elaeocarpus siamensis Craib, Kew Bull. 1911: 23; in Fl. Siam En. 1: 198. 1925.


Description : Evergreen tree, up to 30 m high; twigs shortly hairy. Stipules often persistent.Leaves oblong, elliptic, or ovate, 7–25 by 3–9 cm, serrate, serrulate or crenate to entire; base obtuse, acute or rounded; apex cuspidate rarely obtuse or rounded; only hairy along midrib on the upper surface, with dense stiff hairs on lower surface; secondary nerves 8–14 pairs, ± ascending, ± depressed on upper surface, prominent on lower surface; often with domatia in nerve axils on lower surface; petiole 1–6 cm, pubescent. Inflorescences in leaf axils or in axils of fallen leaves below the leaves, 8–10 cm long; pedicels 0.5–1 cm long, pubescent. Sepals ovate-oblong, 5–6 by 2 mm with short, stiff hairs outside, pubescent, glabrescent inside. Petals spathulate, 5–6 by 4–5 mm, ciliate in lower half, with one basally hairy ridge inside, ridge about ⅓ the length; laciniae about ⅓ the length of the petal. Stamens numerous, ± 3 mm long, glabrous; anthers with a tuft of hairs at apex, apex not aristate. Ovary ovoid, covered with long hairs, 3–(5)-locular; style long-hairy in lower half only; disc distinctly 5-lobed. Drupes woody, globose or ellipsoid, 1.5–3.5 by 1.5–3 cm, shortly hairy, later glabrescent, rounded at both ends; fruit-stalks ± 1 cm long, with short stiff hairs; seeds 1–3, embryo straight.


Thailand : NORTHERN: Chiang Mai, Lampang, Lamphun, Phrae; SOUTH-EASTERN: Trat; SOUTH-WESTERN: Kanchanaburi, Uthai Thani; PENINSULAR: Nakhon Si Thammarat, Songkhla, Narathiwat, Surat Thani, Ranong, Trang.


Distribution : India, Burma, Cambodia, Malay Peninsula, Indonesia (Java – type), the Philippines.


Ecology : In evergreen forests, 500–1,200 m alt. Flowering and fruiting: March–December.


Vernacular : Mamun (มะมุ่น)(Northern); daeng (แดง), samat (สมัด), mao lek (เม่าเล็ก), ton lot (ตอนลอด), thon lot (ท้อนลอด)(Peninsular).


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