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Dinghushan | Family List | Marsileaceae | Marsilea

Marsilea quadrifolia L.

Description from Flora of China

Rhizomes creeping, with internodes up to 4.8 cm, but internodes occasionally shorter and fronds then appearing tufted; roots arising both at nodes and 1 or 2 on internodes, short shoots 1-3 mm occasionally formed at nodes; main rhizome sparsely pubescent to glabrate. Fronds with stipes green to straw-colored, 10-18 cm, slender, glabrate; pinnae obtriangular to fan-shaped, 0.8-1.6 × 0.7-1.5 cm, margin entire, glabrate above, sparely appressed-pubescent to glabrate below. Sporocarps (1 or)2-5(-7) per frond, attached at base of stipe where stipe joins rhizome or up to 25 mm up stipe, sometimes persistent after decay of frond and then appearing to arise directly from rhizome; peduncles 5-12.5 mm (when 2 or 3 sporocarps on a frond these attached to stipe by a common peduncle 2-8 mm), plus an additional 1.5 mm adnate to sporocarp, glabrate; sporocarp brown to black, elliptic in lateral view, 3.5-4 × 2.9-3.2 × ca. 2 mm, softly leathery, convex on lateral sides, obtuse to rounded on perimeter, usually marked with a distinct tooth 0.3-0.4 mm above end of peduncle, densely appressed-pubescent when young, becoming thinly pubescent to glabrate with age.

Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi [Japan, Korea; Europe; introduced in NE North America].

生活型: 草本

栽培植物: 野生

特征: 水生草本;羽片四片、倒三角形

生境: 生于水田、或沟塘中。水田有害杂草

用途: 全草入药,清热解毒、利水消肿、镇静止血,治疮痈、蛇伤、肺热咳嗽、牙痛、疟疾、夜盲、神经衰弱、心烦失眠、衄血及外伤腰痛等;又作猪饲料

门中名: 蕨类植物门

中文别名: 田字草、四叶菜


 

Related Objects  

Flora of China  
  • Illustration
  • Illustration
    Flora of North America  
  • Illustration
  • Illustration
  • Distribution Map
  • Map

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