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Dinghushan | Family List | Polypodiaceae | Lemmaphyllum

Lemmaphyllum microphyllum Presl


Description from Flora of China

Plants to 6 cm tall. Rhizomes pale green, sparsely scaly; scales clathrate, lower part ± rounded, margins irregularly branched, apex subulate. Fronds remote, dimorphic; sterile fronds subsessile or with stipe 2-4 mm; lamina orbicular, ovate, or obovate, 1.6-2.5(-5) × 1.2-1.5 cm, base rounded or cuneate, margin entire, apex rounded to subacute; fertile fronds: stipe 3-8 mm; lamina oblong or narrowly lanceolate, 3.5-6(-8) × 2-4 cm, margins revolute when dried. Veins reticulate, with simple included veinlets. Sporangia in linear coenosori, between costa and margin, covered with paraphyses when young.

Lemmaphyllum microphyllum is recorded from NE India (B. Singh et al., J. Threatened Taxa 3: 2288. 2012) but without indication of variety.

According to Knapp (Ferns Fern Allies Taiwan, 464. 2011), the frond size and lamina shape of Lemmaphyllum microphyllum is variable throughout Taiwan.

On trees trunks in forests or rocks in forests; sea level to 1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou (Libo), Hainan, Hubei, Jiangxi, Taiwan, Yunnan, Zhejiang [NE India, Japan, S Korea, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 附生小草本;茎匍匐横走、叶二型,同抱树莲近似,但本种孢子囊群线形位于主脉和叶缘之间

生境: 常生于林中树上或石上

用途: 全草入药,散瘀消肿、清热,治疮疖、肝脾肿大、风湿痛等症

门中名: 蕨类植物门

中文别名: 小叶伏石蕨


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