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!Orthotrichum obtusifolium Brid. 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: Muscologia Recentiorum 2(2): 23–24. 1801. (Muscol. Recent.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Distribution     (Last Modified On 12/13/2011)
Distribution:
Habitat: on tree trunks; alt. 1800–4000 m.
Distribution: China, India, Japan, Central and northern Europe, and North America.
 

Specimens Examined     (Last Modified On 12/13/2011)
Specimens Examined:
Chinese specimens examined: Heilongjiang: Mt. Xiaoxinganling, P.-C. Chen & C. Gao 654 (IFSBH). Jiangxi: Mt. Lushan, L.-J. Bi 43 (PE). Nei Mongol: Daxinganling, P.-C. Chen & C. Gao 1006 (IFSBH). Qinghai: Nang-qian Co., B. C. Tan 95-1626 (FH). Sichuan: Se-da Co., Y. Jia 02899 (FH, PE); Xiang-cheng Co., Y. Jia 07206 (FH, PE). Xinjiang: Burqin Co., Sulayman 20101021 (PE, XJU); Fu-kang Co., B. C. Tan 93-837 (HBNU); Mt. Tianshan, J.-C. Zhao 0096 (HBNU); Ürümqi City, Sulayman 10-328 (PE, XJU). Yunnan: Wei-xi Co., M. Zang 1887 (HKAS).

 

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21. Orthotrichum obtusifolium Brid.  钝叶木灵藓   dun ye mu ling xian
Muscol. Recent. 2(2): 23. 1801. Nyholmiella obtusifolia (Brid.) Holmen & Warncke, Bot. Tidsskr. 65: 178. 1969. Stroemia obtusifolia (Brid.) I. Hagen, Kongel. Norske Vidensk. Selsk. Skr. (Trondheim) 1907(13): 94. 1903. Dorcadion obtusifolium (Brid.) Lindb., Musci Scand. 29. 1879. Type: Germany. Goettingam, Persoon s.n

Plants small, green to yellowish green above, brown below, in dense tufts. Stems rarely branched, with sparse rhizoids at the base. Leaves erect, appressed when dry, narrowly ovate or ovate-lanceolate, 1.0–1.5 mm × 0.5–0.8 mm, rounded-obtuse; margins entire or crenulate; costae narrow, subpercurrent; upper leaf cells almost isodiametric, 14–18 µm in diameter, thick-walled, centrally unipapillose; lower cells shortly rectangular to elongate, 25–50 µm × 10–15 µm, thin-walled, smooth. Gemmae clavate or cylindrical, abundant on leaf surfaces. Dioicous. Perichaetial leaves not differentiated. Setae very short; capsules immersed or slightly emergent, oblong-ovoid or oblong-cylindrical, furrowed when dry; exothecial cells differentiated in longitudinal bands; stomata superficial; peristome double; prostome none; exostome teeth in 8 pairs, reflexed when dry, finely papillose at base, papillosely striolate near apex; endostome segments 8, linear, as long as the teeth, papillose, with a distinct median line. Calyptrae mitrate, not plicate, naked, or sparsely hairy. Spores 15–20 µm in diameter, densely and finely papillose.

 
 
 
 
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