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Dinghushan | Family List | Elaeocarpaceae | Elaeocarpus

Elaeocarpus varunua Buch.-Ham.

云南杜英

Description from Flora of China

Elaeocarpus decurvatus Diels.

Trees to 30 m tall. Terminal bud gummy resinous; branches black when dry; branchlets sparsely gray puberulent, glabrescent. Petiole 3-8 cm, puberulent at first, glabrescent, swollen at both ends; leaf blade abaxially green, adaxially dark green, shiny, elliptic to oblong, 10-20(-25) × 5-9(-12) cm, membranous, abaxially shortly puberulent, both surfaces white sericeous when young, glabrous when mature, lateral veins (10-)12-14 per side, prominently raised abaxially, impressed adaxially, parallel, tertiary veinlets dense, prominent on both surfaces, base rounded or obtuse, margin entire or slightly crenate, apex acute, with obtuse acumen. Racemes in axils of current and fallen leaves, 7-12 cm; peduncles gray-white puberulent. Pedicel ca. 1 cm, gray-white puberulent. Flowers ca. 1.5 cm. Sepals 5, narrowly lanceolate, ca. 1 cm, both surfaces gray puberulent. Petals 5, linear, ca. 11 × 3.5 mm, lower 1/2 woolly on both surfaces, upper 1/2 laciniate; segments 16-18. Stamens 30-40; filaments ca. 1 mm; anthers ca. 4.5 mm; awn 1-1.5 mm, erect or slightly curved. Disk 10-lobed, sparsely pubescent. Ovary 3-loculed, woolly; style ca. 8 mm, villous. Drupe ellipsoid, 1.4-1.7 cm, glabrous; endocarp hard, ca. 1 mm thick. Fl. Mar-Apr, fr. Aug-Sep. 2n = 30.

Evergreen forests; 300-1400 m. Guangdong, Guangxi, Xizang, Yunnan [India, ?Malaysia, ?Nepal, Vietnam].

生活型: 乔木

栽培植物: 野生

特征: 乔木;

果期: 6

生境: 见于九坑山谷林中

用途: 木材可培养香菇

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 大叶香信木


 

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