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Dinghushan | Family List | Amaranthaceae | Amaranthus

Amaranthus spinosus L.


Description from Flora of China

Stem erect, green or somewhat tinged purple, 30-100 cm tall, terete or obtusely angulate, much branched, glabrous or slightly pubescent. Petiole 1-8 cm, glabrous, 2-armed at base; leaf blade ovate-rhombic or ovate-lanceolate, 3-12 × 1-6 cm, glabrous or slightly pubescent along veins when young, base cuneate, margin entire, apex obtuse, with a mucro. Complex thyrsoid structures terminal or axillary, 8-25 cm; terminal spike usually with all male flowers at or toward apex. Bracts becoming very sharply spiny in proximal part of spike. Tepals green, transparent at margin and with green or purple median band, apex acute, with a mucro; male flowers oblong, 2-2.5 mm; female flowers oblong-spatulate, ca. 1.5 mm. Filaments nearly as long as or slightly shorter than perianth. Stigmas 3(or 2). Utricles included in perianth, oblong, 1-1.2 mm, circumscissile slightly below middle. Seeds brownish black, subglobose, ca. 1 mm in diam. Fl. and fr. Jul-Nov. 2n = 34, 68.

Waste places, gardens. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [probably native to neotropics, now cosmopolitan in warm-temperate and tropical regions].

生活型: 草本

栽培植物: 野生

特征: 一年生、直立有刺草本;

花期: 5--7

生境: 生于耕地、路旁、村边旷地

用途: 茎可作菜食及猪饲料;全草药用,清热除湿、凉血解毒,消肿止痛,治痢疾、腹痛泻、重感冒、痔疮出血、肠胃炎、溶血型毒,蛇伤及用根外敷疮 痈等

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 勒苋莱


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