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Trachycladiella (M. Fleisch.) M. Menzel 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 Hattori Botanical Laboratory 75: 74. 1994. (J. Hattori Bot. Lab.) Name publication detail
 

Project Name Data (Last Modified On 12/16/2011)
Acceptance : Accepted
Notes     (Last Modified On 12/14/2011)
general taxon notes:
Trachycladiella was elevated to the generic level from Floribundaria sect. Trachycladiella M. Fleisch. by Menzel and Schultze-Motel (1994) based on the feature of pluripapillose leaf cells with papillae arranged along the side cell walls. The distribution of this genus appears to be in the tropical and southern subtropical mountain regions. There are two species of this genus in the world, and both are known in China.

 

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18. Trachycladiella (M. Fleisch.) M. Menzel   细带藓属   xi dai xian shu
J. Hattori Bot. Lab. 75: 74. 1994. Floribundaria sect. Trachycladiella M. Fleisch., Musci Buitenzorg 3: 826. 1908.
 
Plants rather robust and rigid, yellowish green or yellowish brown, sometimes reddish brown, not glossy, often in pendulous tufts. Primary stems creeping; secondary stems irregularly and remotely pinnately branched; branches 0.5–3.0 cm long. Stem and branch leaves more or less similar, ovate-lanceolate to triangularly ovate-lanceolate, undulate or strongly undulate throughout, rather abruptly narrowed to a long-acuminate, slender or piliferous apex, somewhat decurrent at the base; margins rugulose, serrulate to serrate above; costae single, slender, vanishing just above mid-leaf; median and upper leaf cells elongate-rhomboidal to linear, densely pluripapillose with papillae arranged along side cell walls; marginal cells rhomboidal to linear-rhomboidal, sometimes smooth; basal juxtacostal cells linear to rectangular, thick-walled, porose, smooth; alar cells weakly differentiated, lax, rectangular, smooth; axillary hairs consisting of 1 short, brownish basal cell and 2 short-rectangular, hyaline upper cells. Dioicous. Setae 1.3–2.5 mm long, roughened; capsules oblong-ovoid; peristome double; exostome teeth lanceolate, papillose above, striolate below; endostome segments linear, keeled, perforate; basal membrane moderately high; cilia rudimentary. Calyptrae mitrate, smooth. Spores spherical, finely papillose.
 
 
 

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1. Plants usually complanately foliate, rarely with terete branches; stem leaves cordate-ovate; leaf margins usually strongly undulate; marginal leaf cells often hyaline, smooth.................................................. 1. T. aurea
1. Plants usually with terete stems and branches; stem leaves broadly ovate; leaf margins slightly undulate; marginal leaf cells densely papillose.................................................................................................... 2. T. sparsa
 
 
 
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