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平卧碱蓬
,無編輯摘要
胞果顶基扁;果皮膜质,淡黄褐色。种子双凸镜形或扁卵形,直径1.2-1.5毫米,黑色,表面具清晰的蜂窝状点纹,稍有光泽。花果期7-10月。
[[File:平卧碱蓬2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/67E656274030F014.jpg 原图链接] [http://www.iplant.cn/info/Suaeda%20prostrata?t=p 来自植物智]]]
Herbs annual, 20-50 cm tall, glabrous. Stem prostrate or obliquely spreading, somewhat ribbed, base branched and slightly woody; upper branches subhorizontal, equal. Leaves gray-green, linear, semiterete, slightly compressed, 0.5-1.5 cm × 1-1.5 mm, base slightly contracted, apex subobtuse or acute; leaves of lateral branches shorter than others, equaling or longer than perianth. Glomerules axillary, 2- to numerous flowered. Flowers bisexual. Perianth green, 5-parted, somewhat fleshy; segments thickened and cucullate in fruit, base extending into an irregular, winglike or tonguelike process. Filaments slightly exserted; anthers broadly oblong or subglobose, ca. 0.2 mm. Style obscure; stigmas 2, black-brown. Utricle depressed; pericarp light yellow-brown, membranous. Seed black, sublustrous, depressed ovoid or lenticular, 1.2-1.5 mm in diam., distinctly pitted. Fl. and fr. Jul-Oct.
Strongly saline-alkaline places. W Gansu, Hebei, N Jiangsu, Nei Mongol, Ningxia, N Shaanxi, Shanxi, N Xinjiang [Russia (S European part, S Siberia); C and SW Asia, SE Europe].
==平卧碱蓬生长环境==