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Leiodontium Broth. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Symbolae Sinicae 4: 127. 1929. (Symb. Sin.) Name publication detailView in Biodiversity Heritage Library
 

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Leiodontium consists of three species, including a newly transferred species, Leiodontium surculare (Dix.) W. R. Buck & B. C. Tan (basionym: Clastobryum surculare Dix.) from India (B. C. Tan 1991). The genus, with two species, was originally considered to be endemic to China.
 
 

 

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17. Leiodontium Broth. in Handel-Mazzetti 平齿藓属   ping chi xian shu
Symb. Sin. 4: 127. 1929.
 
Plants slender, elongate, soft, yellowish green, glossy, in large mats. Stems prostrate, irregularly branched, rhizoids numerous; branches dense, short, terete, blunt at apex, ascending. Leaves densely imbricate, broadly ovate at base, abruptly acuminate or lanceolate becoming slenderly acuminate; margins slightly recurved below, serrulate throughout; costae absent, short or double; leaf cells narrowly rhomboidal, smooth, basal cells shorter; alar slightly or not differentiated. Dioicous or autoicous. Inner perichaetial leaves somewhat sheathing at base, narrowly acuminate above, serrulate at margins. Setae slender, reddish, smooth; capsules erect, ovoid, brownish, not wrinkled when dry; opercula conic, obliquely rostrate; annuli not differentiated; peristome double; exostome teeth lanceolate, yellowish, hyaline above, smooth; trabeculate on the inner surface; endostome segments linear-lanceolate, as long as the teeth, smooth, perforate; basal membrane low; cilia none. Spores yellowish, smooth.
 
 

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1. Plants dioicous; slender; leaves lanceolate, 0.6–1.0 mm long, long-acuminate; usually growing on tree trunks of sub-alpine mixed forests.....................................................................................1. L. gracile
1. Plants autoicous; rather large; leaves broadly ovate, 1.1–1.7 mm long, shortly acuminate; usually growing on rocks of alpine coniferous forests............................................................................2. L. robustum
 
 
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