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Dinghushan | Family List | Lycopodiaceae | Lycopodium

Lycopodium clavatum L.


Description from Flora of China

Lycopodium aristatum Humboldt & Bonpland ex Willdenow var. robustius Greville & Hooker; L. clavatum var. asiaticum Ching; L. clavatum var. robustius (Greville & Hooker) Nakai.

Stolons subterranean, slender and creeping, 1 or 2 times forked, green, with sparse entire leaves; lateral branches erect, 20-25 cm tall, 3-5 times forked, sparse, flattened (young branches terete), stem together with leaves 9-12 mm in diam. Leaves spirally arranged, dense, angled upward, lanceolate, 4-6 × ca. 1 mm, leathery, with transparent hairs, midrib visible on both surfaces, base cuneate, decurrent, sessile, margin entire, apex acuminate. Strobili 2(or 3) together on a peduncle, peduncle up to 12 cm, bracts of peduncle spirally arranged, sparse, herbaceous, narrowly lanceolate; strobili erect, terete, 3.5-4.5 cm × ca. 4 mm, subsessile or with short, equally long pedicels; sporophyll broadly ovate, ca. 1.5 × 1.3 mm, papery, margin membranous, erose, apex acute, with short acute tip. Sporangia slightly exposed.

Lycopodium clavatum differs from L. japonicum in its fertile branches each bearing 2(or 3) strobili with equal pedicels.

Coniferous forests, among dry moss; 700-1800 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea; North and South America].

生活型: 草本

栽培植物: 野生

特征: 匍匐茎蔓生草本;与铺地蜈蚣近似,但本种的叶先端有芒状白刺毛,孢子囊穗有长梗

生境: 生于鸡笼山灌丛草坡中

用途: 全草入药,驱风活血、舒筋散寒、 利尿通经,治关节炎痛、疮痈等;又可提蓝色染料;孢子可作工业上的脱模剂、闪光剂 ;又可作药丸包衣;酸性土指示植物

门中名: 蕨类植物门

中文别名: 伸筋草


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