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!Oligotrichum semilamellatum (Hook. f.) Mitt. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Journal of the Proceedings of the Linnean Society, Botany, Supplement 2: 150. 1859. (J. Proc. Linn. Soc., Bot., Suppl.) Name publication detail
 

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Oligotrichum semilamellatum (Hook. f.) Mitt. (Figs. 1–11.)
Map: Oligotrichum semilamellatum (Hook. f.) Mitt. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Distribution:
Habitat: on rather moist substrates along roadsides, forest ground, or rocks; alt. 2500 m.
Distribution: China and the Himalayas.
 

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Yunnan: Gaoligongshan (Mt.), Yunnan Univ. Team 10a (PE); Jing-dong Co., J.-Q. Zhang 1017 (PE).

 

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5. Oligotrichum semilamellatum (Hook. f.) Mitt.   半栉小赤藓   ban zhi xiao chi xian
J. Proc. Linn. Soc., Bot., Suppl. 2: 150. 1859. Polytrichum semilamellatum Hook. f., Icon. Pl. 2: 194A. 1837. Type: the Himalayas.
 
Plants medium-sized, 1–3 cm high, female plants slightly larger than the male ones, brownish green to reddish brown, erect, aggregate or scattered. Stems with weakly developed central strand; rhizoids numerous at base. Leaves lanceolate, sheathing or concave at base, loosely arranged, upper leaves usually revolute when dry, erect-spreading when moist; middle leaves 2.5–4.5 mm × 0.5–0.8 mm, sheathing or often clasping at base; margins serrate; costa somewhat broad, vanishing below the apex; ventral lamellae longitudinally undulate or crisped, usually 5–6 rows, 3–6 cells high; on the leaf back, sometimes with low lamellae, 1–3 cells high; leaf cells unistratose; median cells rounded quadrate, 10–15 µm wide; basal cells mostly elongate, 20–45 µm long, rather thin-walled. Dioicous. Perigonia in rosettes, often with innovations in the center. Setae reddish brown, straight; capsules oblong-ovoid to shortly cylindrical, mostly asymmetric, single; peristome teeth single layer, 32, membrane somewhat high; opercula conic at base, shortly beaked. Calyptrae cucullate, smooth, with a few short cilia at apex. Spores spherical, 9–15 µm in diameter, finely papillose.
 
 
 
 


 

 
 
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