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Bryhnia Kaurin 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: Botaniska Notiser 1892(2): [60–]61. 1892. (Bot. Not.) Name publication detail
 

Project Name Data (Last Modified On 3/31/2009)
Acceptance : Accepted
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General Reference:

Notes     (Last Modified On 3/31/2009)
general taxon notes:
Bryhnia is very similar to Brachythecium, but differs by its shorter, prorate leaf cells and its stout leaf costae at base. It consists of some 12 species in the world (Crosby et al. 2000). Two species were reported by P.-C. Chen et al. (1978) and six species were listed by Redfearn et al. (1996). The Chinese records of Bryhnia graminicolor (Brid.) Grout cannot be verified at this time. Five species are recognized here.
 
 

 

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2. Bryhnia Kaurin   燕尾藓属   yan wei xian shu
Bot. Not. 1892: 60. 1892.
 
Plants medium-sized to rather large, sometimes slender, yellowish green or dark green, somewhat glossy, in dense or loose mats. Primary stems prostrate; secondary stems ascending, rarely dendroid, subpinnately branched. Stem leaves broadly ovate, plane or sometimes concave, acute, shortly acuminate or sometimes slenderly acuminate at apex, often clearly, sometimes barely decurrent at base; margins serrulate; costae stout at base, slender above, ending below the apex; median and upper leaf cells elongate-rhombic to shortly rhomboidal, often prorate; basal cells broader; alar cells differentiated, often inflated; branch leaves ovate-lanceolate, usually plicate, gradually or shortly acuminate, often twisted at apex, often decurrent at base. Dioicous. Perichaetial leaves large, broad at base, twisted at apex. Setae elongate, often coarsely roughened or papillose; capsules ellipsoidal to shortly cylindrical, sometimes curved, asymmetric, smooth; stomata present in necks; opercula conic at base, obliquely or shortly rostrate; annuli developed, narrow; peristome double; exostome teeth brown to reddish brown, papillose above, cross-striolate below; endostome segments keeled, perforate, papillose; basal membrane high; cilia present, nodulose. Calyptrae cucullate, smooth or rarely sparsely hairy. Spores spherical, smooth or papillose.
 
 

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1. Leaves closely imbricate, strongly concave...................................................................................... 2. B. hultenii
1. Leaves loosely spreading, not concave.................................................................................................................. 2
2. Leaves acute at apex............................................................................................................. 1. B. brachycladula
2. Leaves acuminate at apex..................................................................................................................................... 3
3. Stem leaves not auriculate, usually constricted at base........................................................ 3. B. novae-angliae
3. Stem leaves auriculate, broad, not clearly constricted at base............................................................................. 4
4. Leaf apices not twisted; median leaf cells 24–30 µm × 7–9 µm........................................... 4. B. serricuspis
4. Leaf apices usually twisted; median leaf cells 30–45 µm × 5–8 µm................................... 5. B. trichomitria
 
 
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