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FOC | Family List | FOC Vol. 12 | Elaeocarpaceae | Elaeocarpus

6. Elaeocarpus petiolatus (Jack) Wallich ex Steudel, Nomencl. Bot., ed. 2. 1: 545. 1840.

长柄杜英 chang bing du ying

Monocera petiolata Jack, Malayan Misc. 1(5): 43. 1820.

Trees to 12 m tall. Terminal buds and branchlets gummy resinous, branchlets glabrous. Petiole 3-6 cm, robust, glabrous, swollen at both ends; leaf blade oblong or elliptic, 9-18 × 4-8 cm, leathery, glabrous, lateral veins 5-8 per side, prominent abaxially, conspicuous adaxially, veinlets conspicuous on both surfaces, base acute, rounded, or obtuse, margin slightly crenate to entire, apex acuminate to acute. Racemes in axils of fallen and current leaves, 6-12 cm; peduncles glabrous or nearly so. Pedicel nearly glabrous. Sepals 5, lanceolate, 6-7 mm, abaxially pilose. Petals ca. as long as sepals, oblong, abaxially brown pubescent, upper 1/2 laciniate; segments 9-14. Stamens 20-30, pubescent; anthers long awned, curved outward. Disk 10-lobed, glabrous. Ovary 2-loculed, glabrous; style glabrous. Drupe shiny, ellipsoid, 1.5-1.8 × 0.9-1 cm; endocarp bony, furrowed, 1-loculed. Seed ca. 1 cm. Fl. Aug-Sep, fr. Sep-Dec.

Tropical forests; sea level to 1300 m. Guangdong, Guangxi, Hainan, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Thailand, Vietnam].


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