17. Suaeda prostrata Pallas, Ill. Pl. 55. 1803.
平卧碱蓬 ping wo jian peng
Suaeda maritima (Linnaeus) Dumortier var. vulgaris Moquin-Tandon; Chenopodina maritima (Linnaeus) Moquin-Tandon var. vulgaris (Moquin-Tandon) Moquin-Tandon.
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].