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Dinghushan | Family List | Rubiaceae | Hedyotis

Hedyotis auricularia L.

胆草

Description from Flora of China

Herbs, perennial, tufted to weak or procumbent, sometimes (var. auricularia) to usually (var. mina) rooting at lowermost nodes, to 1 m tall or long; stems flattened, 4-angled, or terete becoming angled and/or sulcate, densely hirtellous, hispidulous, strigillose, pilosulous, or puberulent, to sometimes glabrescent (var. auricularia), or glabrous except villosulous to pilosulous and sometimes also hirsute to pilose inside grooves (var. mina). Leaves subsessile to petiolate; petiole to 7 mm, densely strigillose to pilosulous; blade drying subleathery to papery, ovate, lanceolate, elliptic, or elliptic-oblong, 2.2-9 × 0.6-3 cm (var. auricularia) or 1.2-3 × 0.4-1.4 (var. mina), adaxially glabrous or puberulent along midrib or scabrous, abaxially glabrous on lamina and densely puberulent to strigillose or hispidulous along principal veins and margins, base acute to obtuse and sometimes shortly decurrent, apex acute or acuminate; secondary veins 4-6 (var. auricularia) or 2-4 (var. mina) pairs; stipules fused to petiole bases, densely puberulent, strigillose, or pilosulous, sheath 1.5-3.5 mm, truncate to triangular or elliptic, in var. auricularia with 3-9 linear or setiform lobes 0.5-5 mm, often glandular at apex, in var. mina entire and acute to aristate or sometimes with 2 setose lobes to 2 mm. Inflorescences axillary, glomerulate to congested-cymose, 5-12 mm in diam., several to many flowered (var. auricularia) or 2-7-flowered (var. mina), puberulent, sessile; bracts lanceolate to stipuliform, 0.3-2 mm; pedicels to 1 (var. auricularia) or 3 (var. mina) mm. Flowers sessile to pedicellate, distylous. Calyx puberulent (var. auricularia) or glabrous (var. mina); hypanthium portion obconic, ca. 1 mm; limb lobed essentially to base; lobes lanceolate to triangular, 0.8-1.2 mm, usually ciliolate. Corolla white, tubular or tubular-funnelform, outside pilosulous at least on lobes (var. auricularia) or glabrous throughout (var. mina); tube 1-1.5 mm, barbate in throat; lobes 0.5-1 mm. Anthers narrowly oblong, ca. 1 mm, exserted or included. Stigma ca. 1 mm, exserted or included. Fruit indehiscent, globose to ovoid, 1.2-1.5 mm in diam., sparsely hirtellous, hispidulous, or puberulent (var. auricularia), or glabrous (var. mina), sometimes with peduncles and/or pedicels elongating, to 2 mm; seeds 4-12, black, foveolate. Fl. and fr. Mar-Dec.

Forest margins, thickets, grasslands, open fields, streamsides; below 100-1500 m. Guangdong, Guangxi, Guizhou, Hainan, Yunnan [India, Japan (Ryukyu Islands), Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; Australia].

生活型: 草本

栽培植物: 野生

特征: 多年生披散草本,茎被短粗毛,老茎圆柱形;叶两面粗糙,尝之有苦味;托叶上部分裂成5--7条刚毛状刺;花序密集成头状,腋生,无总梗

花期: 夏月

生境: 生于林下、路旁或灌丛中

用途: 全草药用,清热解毒,止血消肿,治感冒发热、咽喉痛、痢疾、目赤、跌打、疮疖肿毒、癣疥等;也作兽药,治猪、牛热症、牛胆胀、蛇伤、大便出血等

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: 节节花、鲫鱼胆草、耳草


 

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