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Ptychomniaceae M. Fleisch. Search in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Published In: Die Musci der Flora von Buitenzorg 3: 656. 1908. (Musci Buitenzorg) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Project Data     (Last Modified On 12/16/2011)
General Reference:
Contributor: Wu, Peng-Cheng

Notes     (Last Modified On 12/16/2011)
general taxon notes:
There are seven genera of this family in the world (Crosby et al. 2000). Only one genus is known in China.

 

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Ptychomniaceae
稜蒴藓科   ling shuo xian ke
by Wu Peng-cheng
 
 
Plants slender or rather robust, yellowish green, slightly glossy, in loose mats. Primary stems creeping, with leaves deciduous when old; secondary stems erect, simple or irregularly sparsely branched; a central strand absent; pseudoparaphyllia sometimes present, filamentous or foliose. Leaves oblong-ovate or broadly ovate, often plicate, acute or slenderly acuminate, rarely obtuse at the apex, sometimes slightly decurrent at the base; margins often serrulate above; costae double, weak, short or absent; leaf cells elongate-oblong or linear, smooth or prorate, thick-walled, porose; apical cells and basal cells oval; basal cells often colored. Dioicous. Perigonia small, bud-like. Perichaetia on branches; perichaetial leaves sheathing at the base, long acuminate. Setae elongate, smooth; capsules erect or curved, ovoid or oblong-ovoid, 8-furrowed; opercula conic, obliquely long rostrate; annuli narrow or not differentiated; peristome double; exostome teeth lanceolate, divided or joined, keeled, hyaline above, cross-striolate on outer surface or only at the base or smooth, trabeculate on inner surface; endostome segments linear-lanceolate, as long as the teeth, sometimes rudimentary; basal membrane usually high; cilia sometimes developed. Calyptrae cucullate. Spores spherical, brown, smooth.
 

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Only Glyphothecium is known from China.
 

Lower Taxa
 
 
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