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Dinghushan | Family List | Commelinaceae | Murdannia

Murdannia bracteata (C. B. Cl.) O. Ktze.

大苞水竹叶

Description from Flora of China

Aneilema nudiflorum (Linnaeus) R. Brown var. bracteatum C. B. Clarke in A. de Candolle & C. de Candolle, Monogr. Phan. 3: 211. 1881; A. bracteatum (C. B. Clarke) Kuntze; A. kuntzei C. B. Clarke.

Herbs perennial. Roots fibrous, 0.5--1 mm in diam., rather densely tomentose. Rhizomes horizontal. Main stem undeveloped, very short; fertile stems usually 2, arising from rosette, long, creeping, ascending apically, 20--60 cm; internodes ca. 10 cm, pubescent throughout or only on 1 side. Basal leaves rosulate; leaf blade linear, 20--30 × 1.2--1.8 cm, glabrous on both surfaces or abaxially puberulent, margin ciliate proximally. Cauline leaves with sheath pubescent throughout or only hispid-ciliate at mouth; leaf blade ovate-lanceolate or lanceolate, 3--12 × 1--1.5 cm, glabrous on both surfaces or abaxially scabrid. Cincinni (1--)3--5, densely flowered, capitate; peduncle 2--3 cm; involucral bracts leaflike but smaller than leaves; bracts orbicular, 5--7 mm, caducous; pedicels very short, strongly curved, elongate to 2--3 mm in fruit. Sepals ovate-elliptic, ca. 4 mm. Petals blue, obovate-orbicular. Fertile stamens 2; filaments pubescent; staminodes 3; antherodes 3-sect. Capsule broadly ellipsoid, trigonous, ca. 4 mm, Seeds 2 per valve, yellow-brown, radiate striate, white reticulate, not pitted. Fl. May--Nov.

By water, sandy places in ravines. Guangdong, Guangxi, Hainan, S Yunnan (Lüchun Xian, Xishuangbanna Dai Zu Zizhizhou) [Laos, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 草本;

花期: 夏秋

果期: 夏秋

生境: 生于林中或田野阴湿处

用途: 全草清热毒,治淋浊、小便刺痛、疮疖

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 单子叶植物纲


 

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