紫翅猪毛菜
紫翅猪毛菜 |
中文学名:紫翅猪毛菜 拉丁学名:Salsola affinis C. A. Mey 界:植物界 门:被子植物门 Angiospermae 纲:双子叶植物纲 Dicotyledoneae 亚 纲:原始花被亚纲 Archichlamydeae 目:中央种子目 Centrospermae 科:藜科 Chenopodiaceae 亚 科:螺胚亚科 Spirolobeae 族:猪毛菜族 Salsoleae 属:猪毛菜属 Salsola |
紫翅猪毛菜(学名:Salsola affinis),为藜科猪毛菜属下的一个植物种。 [1]
目录
紫翅猪毛菜形态特征
紫翅猪毛菜, 一年生草本,高10-30厘米,自基部分枝;枝互生,最基部的枝近对生,上升或外倾,乳白色,密生柔毛,有时毛脱落。
叶互生,下部的叶近对生,叶片半圆柱状,长1-2.5厘米,宽2-3毫米,密生短柔毛,顶端钝,基部稍扩展,不下延,下部的叶通常弯曲。
花序穗状,生于枝条的上部;苞片宽卵形,顶端钝,边缘膜质,短于小苞片;小苞片卵形,短于花被;花被片披针形,膜质,无毛或有疏柔毛,以后柔毛脱落,顶端尖,果时自背面中下部生翅;翅3个为肾形,膜质,紫红色或暗褐色,有多数细而密集的脉,2个较小为倒卵形,花被果时(包括翅)直径5-10毫米;花被片在翅以上部分为披针形,膜质,向中央聚集,形成圆锥体;花药附属物椭圆形,白色;柱头与花柱近等长或略超过。
种子横生有时为直立。花期7-8月,果期8-9月。
Herbs annual, 10-30 cm tall. Stem branched from base; branches alternate or lower ones subopposite, ascending or decumbent, white, densely pilose. Leaves semiterete, alternate, 1-2.5 cm × 2-3 mm, densely pubescent, base slightly expanded, not decurrent, apex obtuse; lower leaves subopposite, usually curved. Inflorescence terminal, spikelike; bracts broadly ovate, shorter than bractlets, margin membranous, apex obtuse; bractlets ovate, shorter than perianth. Perianth (including wings) 5-10 mm in diam. in fruit; segments lanceolate, membranous, abaxially winged from proximal middle part, glabrous or sparsely villous; portion of segment above wing connivent with others into a cone, lanceolate, membranous, apex acute; 3 wings purple-red or dark brown, reniform; 2 other wings obovate, smaller. Anther appendage white, elliptic. Stigmas subequaling or slightly longer than style. Seed horizontal or sometimes vertical. Fl. Jul-Aug, fr. Aug-Sep.