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

21. Elaeocarpus balansae A. Candolle, Bull. Herb. Boissier, sér. 2. 3: 366. 1903.

大叶杜英 da ye du ying

Trees to 15 m tall. Branchlets robust, rust-brown tomentose. Stipule leaflike, sessile, ovate or orbicular, 1-2.5 cm, brown pubescent; petiole 6-12 cm, terete, rust-brown tomentose, sometimes glabrescent; leaf blade elliptic, 18-32 × 8-19 cm, thinly leathery or papery, abaxially rust-colored tomentose, adaxially pubescent and glabrescent or pubescent only on veins, lateral veins 11-14 per side, prominently raised abaxially, impressed adaxially, veinlets sparse, prominent abaxially, inconspicuous adaxially, base cordate, usually unequal, margin repand-dentate, apex acute. Racemes in axils on current year branches, 8-12 cm. Pedicel ca. 1 cm, rust-colored tomentose. Flowers bisexual. Sepals lanceolate, ca. 6 mm, abaxially rust-colored pubescent, adaxially glabrous, apex acute. Petals 5, obovate, 6-7 mm, abaxially glabrous or nearly so, adaxially sparsely pubescent, margin laciniate in upper 1/2; segments 16-20. Stamens 28-35, ca. 4 mm; anthers fascicled, not awned but pubescent at apices. Disk 5-lobed, globose, pubescent. Ovary 3-loculed, tomentose; style 6-7 mm, pubescent. Drupe spindle-shaped, pointed at both ends, ca. 4 × 2 cm, gray-brown pubescent; exocarp inconspicuous; endocarp bony, shallowly furrowed. Fl. Apr, fr. May-Jun.

Forests; 100-1100 m. SE Yunnan [Cambodia, India, Malaysia, Myanmar, N Vietnam].


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