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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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