Vasilis Teodoridis:
Elaeocarpaceae | Elaeocarpus
11. Elaeocarpus dubius A. Candolle; Bull. Herb. Boissier; sér. 2. 3: 366. 1903.
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Trees evergreen; to 25 m tall. Branchlets slender; silvery-gray pubescent at first; glabrescent. Leaves crowded at twig apices; petiole 1-2 cm; rarely to 3 cm; slender; glabrous; swollen at both ends; leaf blade oblong or lanceolate; 4-8 x 2-2.5 cm; rarely to 10 x 4 cm; thinly leathery; glabrous; lateral veins 8-10 per side; conspicuously raised on both surfaces; veinlets dense; prominently raised abaxially; not glandular; base broadly cuneate or obtuse; margin crenate; apex acute or acuminate; acumen obtuse. Racemes in axils of fallen and current leaves; 3-5 cm; 4-7-flowered; peduncles silvery gray-white pubescent. Pedicel ca. 5 mm; silvery-white pubescent. Flower buds ovoid-oblong. Sepals 5; conspicuously keeled; narrowly lanceolate; 7-8 x ca. 2 mm; abaxially minutely puberulent; apex acute. Petals 5; oblong; ca. as long as sepals; 7-8 x ca. 2.5 mm; both surfaces gray-white pubescent; upper 1/3 laciniate; segments 9-11. Stamens 20-23; filaments ca. 1 mm; anthers ca. 3.5 mm; with awn ca. 1.5 mm. Disk 10-lobed; pubescent. Ovary 3-loculed; pubescent; style ca. 5 mm. Drupe ellipsoid; 1-1.3 cm x 6-8 mm; glabrous; endocarp bony; ca. 1 mm thick. Fl. Mar-Apr; fr. Apr-Jun.
Low-elevation forests; 600-700 m. Guangdong; Guangxi; Guizhou; Hainan; Yunnan [Vietnam].