粗枝猪毛菜
粗枝猪毛菜 |
中文学名:粗枝猪毛菜 界:植物界 门:被子植物门 纲:单子叶植物纲 目:唇形目 科:黎科 族:野独活族 属:猪毛菜属 |
粗枝猪毛菜,学名 Salsola subcrassa M. Pop.生于平原盐土荒漠及盐湖。该种为一年生草本。叶基部下延。花被片无毛,花被果时(含翅)茎12-18毫米;柱头比花柱短或近等长。生平原荒漠盐渍化土壤上。因未见标本,附记于此。 [1]
目录
粗枝猪毛菜形态特征
一年生草本,高15-40厘米。茎基部分枝,枝粗壮,直立或斜伸,茎、枝下部生长稀疏柔毛,疏柔毛后期脱落,上部生短柔毛或近无毛。
叶肉质,半圆柱形,长1-2厘米,宽2-2.5毫米,绿色或黄绿色,顶端钝,基部边缘膜质,淡黄色,沿茎下延,无毛或下部的叶有稀疏的柔毛。花单生叶腋,排于枝上部或全枝,形成穗状花序;小苞片卵形,边缘膜质,比苞片,比花被短;花被片披针形,膜质,无毛,果时自背面中部持翅;翅倒卵形,2翅较小,膜质,淡紫红色或红色;花被果时变硬,在翅以上的上部膜质,向外反折成星状;化药顶端有卵形泡状附属物;花柱极短,柱头钻状丝形,长为花柱的3-4倍。
果实直径(包括翅)10-15毫米,种子横生。花期8月,果期8-10月。
Herbs annual, 15-40 cm tall. Stem branched from base; lower branches elongate, stout, sparsely pilose below, pubescent or subglabrous above. Leaves yellow-green, semiterete, 1-2 cm × 1.5-2.5 mm, glabrous, margin membranous at base, decurrent, apex obtuse; lower leaves sometimes sparsely villous. Inflorescence spikelike; flowers solitary; bracts ovate, longer than bractlets; bractlets ovate, shorter than perianth, margin membranous. Perianth (including wings) 10-15 mm in diam. in fruit; segments lanceolate, membranous, abaxially winged from middle in fruit, glabrous; portion of segment above wing reflexed, with others appearing starlike, apex membranous; wings obovate. Anther appendage shortly stalked, white, shorter than anther. Stigmas subulate-filiform, 3-4 × as long as style. Seed horizontal. Fl. Aug-Sep, fr. Sep-Oct.
粗枝猪毛菜生长环境
生于平原盐土荒漠及盐湖边。