一年生。秆丛生,直立或基部膝曲,稍作弓形弯曲,脊上有纤毛,迟落或宿存;雄蕊3枚,花药长约0.3毫米。多生于荒芜田野草地上。药用治铁打损伤。
描述
画眉草亚属——Subgen. Eragrostis
模式种
小画眉草 E. minor Host
下级分类
鼠妇草Eragrostis atrovirense (Desf.) Trin. ex Steud.
秋画眉草Eragrostis autumnalis Keng
珠芽画眉草Eragrostis bulbillifera Steud.
大画眉草Eragrostis cilianensis (All.) Link. ex Vignclo - Lutati
弯叶画眉草Eragrostis curvula (Schrad.) Nees
短穗画眉草Eragrostis cylindrica (Roxb.) Nees
佛欧里画眉草Eragrostis fauriei Ohwi
知风草Eragrostis ferruginea (Thunb.) Beauv.
垂穗画眉草Eragrostis fractus S. C. Sun et H. Q. Wang
广西画眉草Eragrostis guangxiensis S. C. Sun et H. Q. Wang
海南画眉草Eragrostis hainanensis Chia
长穗鼠妇草Eragrostis longispicula S. C. Sun et H. Q. Wang
梅氏画眉草Eragrostis mairei Hack.
小画眉草Eragrostis minor Host
华南画眉草Eragrostis nevinii Hance
黑穗画眉草Eragrostis nigra Nees ex Steud.
宿根画眉草Eragrostis perennans Keng
疏穗画眉草Eragrostis perlaxa Keng ex Keng f. et L. Liou
画眉草Eragrostis pilosa (L.) Beauv.
无毛画眉草(变种)Eragrostis pilosa (L.) Beauv. var. imberbis Franch.
画眉草(原变种)Eragrostis pilosa (L.) Beauv. var. pilosa
多毛知风草Eragrostis pilosissima Link
美丽画眉草Eragrostis pulchra S. C. Sun et H. Q. Wang
扭枝画眉草Eragrostis reflexa Hack.
红脉画眉草Eragrostis rufinerva Chia
牛虱草Eragrostis unioloides (Retz.) Nees ex Steud.
长画眉草Eragrostis zeylanica Nees et Mey.
相关的亚属有
断轴亚属Subgen. Psilantha (C. Koch) Tzvel.