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Taxithelium Spruce ex Mitt. 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: Journal of the Linnean Society, Botany 12: [20–]21, 496–497. 1869. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

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Notes     (Last Modified On 4/2/2009)
general taxon notes:
There are about 100 species of Taxitheliumin the world, mostly distributed in the tropical and subtropical regions. Four species are known in China.

 

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19. Taxithelium Spruce ex Mitt.   麻锦藓属   ma jin xian shu
J. Linn. Soc. Bot. 12: 21, 496. 1869.
 
Plants slender or somewhat robust, green, yellow or grayish, not glossy or slightly glossy, in interwoven mats. Stems elongate, prostrate, with loose rhizoids, often regularly branched; branches short, complanate, slightly blunt or attenuate at apex; paraphyllia absent. Leaves in numerous ranks, appressed, slightly concave, ventral and dorsal leaves smaller, lateral leaves larger, slightly asymmetric, rounded ovate or oblong-ovate, shortly acuminate, or ovate-lanceolate, shortly or long piliform at apex; margins serrulate, sometimes serrate above, rarely entire; costae absent; leaf cells narrowly rhomboidal, multipapillose, or prorate, rarely nearly smooth; basal cells shorter, loosely arranged; alar cells clearly differentiated. Autoicous or dioicous. Inner perichaetial leaves erect, ovate or ovate-lanceolate, acute or acuminate at apex; margins weakly serrulate. Setae slender,  elongate, mostly smooth; capsules ovoid, slightly inclined, arcuate, apophysis short, constricted below the mouth; opercula conic, slightly acute or obtuse at tips; annuli persistent; peristome double; exostome teeth fusing at base, lanceolate above, yellowish brown, cross-striate below, hyaline and papillose above on outer surface, trabeculate on inner surface; endostome segments broadly lanceolate, papillose, keeled, perforate along the median line; basal membrane high; cilia often 1, rarely 2, usually shorter than segments. Spores irregularly spherical, brownish, smooth.
 
 

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1. Primary stems short.........................................................................................4. T. parvulum
1. Primary stems elongate..............................................................................................................2
2. Plants large; leaf margins crenulate to nearly entire............................................2. T. nepalense
2. Plants slender; leaf margins serrulate..........................................................................................3
3. Alar cells inflated, oval, additional alar cells irregularly shaped.............................1. T. alare
3. Alar cells slightly inflated, rectangular, additional alar cells irregularly rectangular........ 3. T. oblongifolium

 

 
 
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