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Dinghushan | Family List | Rubiaceae | Nauclea

Nauclea officinalis Pierre ex Pitard


Description from Flora of China

Sarcocephalus officinalis Pierre ex Pitard in Lecomte, Fl. Indo-Chine 3: 26. 1922.

Trees, apparently evergreen, to 12 m tall; branchlets angled and rather flattened becoming terete, puberulent to glabrescent. Petiole 10-15[-20] mm; leaf blade drying papery, elliptic to broadly elliptic or infrequently ovate or obovate, 7-11[-15] × 3.5-7[-10] cm, glabrous, adaxially dark brown and matte to shiny, abaxially pale brown and matte, base cuneate to obtuse, apex shortly acuminate with tip slightly blunt; secondary veins 5-7 pairs, usually with tiny foveolate domatia in abaxial axils; stipules caducous, obovate to elliptic, 6-10 mm, glabrous, smooth, rounded. Inflorescences terminal, puberulent to glabrous; peduncles 1-3.5[-4.5] cm, in lower part articulate, bearing caducous bracts 2-4 mm; flowering heads 1-3, 5-6 mm in diam. across calyces, ca. 15 mm in diam. across corollas. Calyx limb deeply lobed; lobes 5, oblanceolate to spatulate, ca. 1 mm, glabrescent, fleshy, rounded to subtruncate. Corolla color unknown, narrowly funnelform, glabrous outside and apparently inside; tube 3-4 mm; lobes 5, ligulate to elliptic, 1-1.5 mm, obtuse to rounded. Stigmas 1.5-2 mm, exserted for ca. 3 mm. Fruiting heads (i.e., multiple fruit) yellow, 9-15 mm in diam., fleshy, with surface rough (i.e., pitted with calyx limb scars); seeds ca. 1 mm, with testa shiny black, foveolate. Fl. summer, fr. Jul, Sep.

Forests at middle elevations. Guangdong, Guangxi, Hainan [Borneo, Cambodia, Indonesia (Sumatra), Laos, Malaysia, ?Philippines, Thailand, Vietnam].

生活型: 乔木

栽培植物: 野生

特征: 乔木;木材味苦,嫩枝略四方形;叶大,椭圆形,嫩叶芽合生;头状花序顶生,果球形

果期: 9月至翌年3月

生境: 生于自然林中

用途: 木材及树皮入药,清热解毒,消炎止痛,治肠炎、咽喉炎、菌痢、疖肿等;木材为建筑和家具优良用材;又可作庭园行道树种

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: 胆木、药乌檀


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