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Dinghushan | Family List | Balsaminaceae | Impatiens

Impatiens chinensis L.


Description from Flora of China

Impatiens cosmia J. D. Hooker; I. crassicornu J. D. Hooker.

Plants annual, 30-60 cm tall. Stem erect in upper part, prostrate basally, slender, glabrous; nodes slightly swollen, with adventitious roots. Leaves opposite, sessile or subsessile; leaf blade gray-green abaxially, green adaxially, linear or linear-lanceolate, rarely obovate, 2-10 × 0.5-1 cm, rigidly papery, with stipular basal glands, abaxially glabrous, adaxially scabrous, lateral veins 5-7 pairs, inconspicuous, base subcordate, truncate, or rounded, margin remotely spiniform-serrate, apex acute or slightly obtuse. Inflorescences 1-flowered, or flowers 2- or 3-fascicled in leaf axils; peduncles absent. Pedicels 2-4.4 cm, slender, often scabrous hairy on one side, bracteate at base; bracts linear. Flowers purple-red or white, large. Lateral sepals 2, linear, ca. 1 × 0.1 cm, apex acute. Lower sepal funnelform, ca. 1.5 cm deep, striate, gradually narrowed into an incurved or involute, slender spur. Upper petal orbicular, ca. 1 cm in diam., apex emarginate, mucronulate, abaxial midvein narrowly carinate; lateral united petals not clawed, 1.4-1.5 cm, 2-lobed; basal lobes suborbicular, small; distal lobes broadly obovate to dolabriform (axe-shaped), apex rounded-obtuse; auricle narrow. Stamens 5; filaments linear, compressed; anthers ovoid-orbicular, apex obtuse. Ovary fusiform. Capsule elliptic, turgid at middle, glabrous. Seeds black, globose, ca. 2 mm in diam., shiny. Fl. Jun-Aug, fr. Sep-Nov. 2n = 16.

The whole plant is used medicinally for relieving fever and pain, removing toxic materials, promoting blood circulation, treating diarrhea, curing urinary infections, and healing carbuncles.

Often beside ponds, streamsides, field margins, swamps; 100-1200 m. Anhui, Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi, Yunnan, Zhejiang [India, Malaysia, Myanmar, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 一年生草本;花紫红色

花期: 6

生境: 生于山谷、沟旁、田边、阴湿处

用途: 全草清热解毒,去瘀消肿,治跌打及喉头肿胀、血痢疮毒及牛中暑

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: 水指甲、水凤仙


Related Objects  

Flora of China  
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