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Pseudopterobryum Broth. 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: Symbolae Sinicae 4: 79. 1929. (Symb. Sin.) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 12/16/2011)
Acceptance : Accepted
Notes     (Last Modified On 12/14/2011)
general taxon notes:
The genus consists of two species, with both endemic to China.

 

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9. Pseudopterobryum Broth.   滇蕨藓属   dian jue xian shu
Symb. Sin. 4: 79. 1929.
 
Plants rather large, thick, to 15 cm long, green, yellowish green or yellowish brown, in loose tufts. Primary stems short, prostrate with brownish rhizoids; secondary stems dendroid, not branched below, densely pinnately branched above, densely foliate. Stem and branch leaves similar, ovate-lanceolate, narrowly acuminate at the apex, constricted at the base, concave, often plicate; margins slightly incurved and denticulate above, entire below; costae single, slender, extending to mid-leaf or somewhat beyond the mid-leaf; leaf cells elongate-rectangular to linear, smooth; alar cells small, numerous, quadrate or irregularly rhombic, slightly inflated. Dioicous. Inner perichaetial leaves erect, narrowly lanceolate, sheathing at the base. Setae very short; capsules immersed, ovoid; opercula conic, shortly or obliquely rostrate; annuli not developed; exothecial cells hexagonal; peristome double, inserted slightly below the mouth; exostome teeth lanceolate, slightly striolate below; endostome segments linear, smooth. Calyptrae mitrate, papillose, deeply lobed at the base. Spores spherical, brown, smooth.
 
 

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1. Plants 10–15 cm long; leaves of secondary stems and branches broadly ovate-lanceolate, 2.7–3.2 mm × 1.0–1.2 mm; costae thick, mostly reaching well beyond mid-leaf............................................... 1. P. laticuspis
1. Plants 5–8 cm long; leaves of secondary stems and branches narrowly ovate-lanceolate, ca. 2.7 mm × 0.7 mm; costae slender, mostly ending at mid-leaf and slightly beyond.......................................... 2. P. tenuicuspis
 
 
 
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