粗糙叉毛蓬查看源代码讨论查看历史
粗糙叉毛蓬 |
中文学名:粗糙叉毛蓬 界:原生生物界 门:被子植物门 纲:双子叶植物纲 目:石竹目 科:苋科 |
粗糙叉毛蓬(cū cāo chā máo péng,学名 Petrosimonia squarrosa (Schrenk) Bunge 异名:Halimocnemis squarrosa ),植株较矮,高通常5-15厘米,有稠密短柔毛,呈灰绿色。多分枝,枝多对生,仅茎端数对互生,枝较细,斜伸。 [1]
粗糙叉毛蓬形态特征
植株较矮,高通常5-15厘米,有稠密短柔毛,呈灰绿色。多分枝,枝多对生,仅茎端数对互生,枝较细,斜伸。
叶对生或互生(茎、枝上端),条形,半圆柱状,长仅0.5-1厘米,宽约1毫米,稍外弯,先端渐尖,基部稍扩展。
花小,小苞片舟状,先端急尖;花被片3,卵状椭圆形,薄膜质,背面近顶端处及边缘有毛;雄蕊通常3,较少4;花药基部分离,花药附属物极短,先端2浅裂。花果期6-8月。
Halimocnemis squarrosa Schrenk, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 1: 360. 1843.
Plants grayish, 5-15 cm tall, densely pubescent with long, semiappressed hairs. Stem simple or branched from base, erect or slightly decumbent, slender, terete; branches opposite, except apical ones (in inflorescence) alternate, obliquely spreading. Leaves opposite, except alternate on apical branches, linear, slightly recurved, semiterete, 0.5-1 cm × ca. 1 mm, base slightly expanded, apex acuminate. Bractlets slightly longer than perianth, apex acute. Perianth segments 3, ovate-elliptic, ca. 2.5 mm, membranous, abaxially hairy near margin and apex. Stamens 3(or 4); anthers free in proximal 1/5, 1.5-1.75 mm; appendage very short, slightly 2-lobed. Stigmas subequaling style.
Gobi desert, terraces, ravine banks. N Xinjiang [Kazakhstan; C and SW Asia].
粗糙叉毛蓬生长环境
生于冲积平原、沙砾质荒漠。