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Crossidium Jur. 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: Die Laubmoosflora von Oestrreich-Ungarn 127. 1882. (Laubm.-Fl. Oesterr.-Ung.) Name publication detail
 

Project Name Data (Last Modified On 3/12/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/12/2009)
General Reference:

Notes     (Last Modified On 3/12/2009)
general taxon notes:
There are 13 species currently recognized for the genus in the world. Most of the species occur in northern temperate regions with dry climates and basic soil. One species is known from China.

 

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7. Crossidium Jur. 流梳藓属    liu-shu xian shu
Laubm.-Fl. Oesterr.-Ung. 127. 1882, nom. cons.
 
Plants tiny, yellowish green to reddish brown, in low gregarious or thin tufts. Stems very short, mostly buried in soil, simple; central strand present. Leaves imbricately appressed when dry, slightly spreading when moist, broadly ovate to rounded ovate or shortly triangular, concave, abruptly to broadly acute at the apex; costa slender, shortly excurrent as an apiculus or excurrent in a short, smooth, hyaline awn; superficial cells of upper ventral costa forming a group of separate, often branching, filaments; in cross section a dorsal stereid band present; margins entire, incurved; upper leaf cells subquadrate to rounded elliptic, thick-walled, without papillae or papillose; basal cells rectangular, thin-walled. Dioicous or monoicous. Outer perichaetial leaves similar to stem leaves, inner perichaetial leaves smaller. Setae elongate, slender, more or less straight; capsules oblong-ovoid, erect or curved; annuli differentiated, of 3 rows of cells, persistent or deciduous; peristome teeth 16, divided into 32 linear-lanceolate segments, papillose, twisted counterclockwise, rarely straight; opercula conic, obliquely short-rostrate. Calyptrae cucullate, smooth. Spores small, spherical, yellowish brown, smooth or finely papillose.
 
 

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One species is known from China.

1. Crossidium squamiferum (Viv.) Jur.

 
 
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