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!Polytrichastrum xanthopilum (Wilson ex Mitt.) G.L. Sm. 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: Memoirs of The New York Botanical Garden 21(3): 35. 1971. (Mem. New York Bot. Gard.) Name publication detail
 

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

Illustration & Map     (Last Modified On 4/3/2009)
Related Objects:
Illustrations: P.-C. Wu & Y. Jia (eds.) (2004), Pl. 193, figs. 1–10.

Click here for distribution map.

Map: Polytrichastrum xanthopilum (Wilson ex Mitt.) G.L. Sm. (Distribution in China)

Distribution     (Last Modified On 4/3/2009)
Distribution:
Habitat: usually on alpine forest ground; alt. 3000–4500 m.
Distribution: China, the Himalayas, and North America.
 

Specimens Examined     (Last Modified On 4/3/2009)
Specimens Examined:
Chinese specimens examined: Sichuan: Lei-bo Co., Z.-T. Guan 8795 (PE); Mu-li Co., Agri. Exped. Team 1, 6, 53, 240 (all in PE). Xizang: Cha-yu Co., Q.-W. Wang 5597 (PE); Cuo-na Co., Inst. Bot. Ecol. Dept. Xizang Team M7401 (IFSBH, PE); Ri-dong Co., M.-Z. Wang 12072a, 12607a (both in PE). Yunnan: Between Lan-cangjiang and Nu-jiang, Handel-Mazzetti 9980 (PE, S); Gong-shan Co., Q.-W. Wang 6861, 6914 (both in PE), M.-Z. Wang 9468d (PE); Li-jiang Co., Forestry Mins. Exped. Team 2 (PE); Wei-xi Co., Q.-W. Wang 4719a, 4736, 4780 (all in PE); Zhong-dian Co., P.-Q. Li 813533a (PE).

 

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8. Polytrichastrum xanthopilum (Wils. ex Mitt.) G. L. Smith   黄尖拟金发藓   huang jian ni jin fa xian
Mem. New York Bot. Gard. 21(3): 35. 1971. Polytrichum xanthopilum Wils. ex Mitt., J. Proc. Linn. Soc., Bot., Suppl. 2: 156. 1859. Type: Sikkim. Hooker s.n.
Polytrichum tibetanum C. Gao in C. Gao & G.-C. Zhang, Acta Phytotax. Sin. 17: 117. f. 2. 1979. Type: China. Xizang, Cuo-na Co., Inst. Bot. Ecol. Dept. Xizang Team M 7441 (holotype IFSBH).
 
Plants medium-sized, usually 3–5 cm high. Stems erect, simple or branched, in scattered or gregarious tufts. Leaves densely crowded and clasping on upper stems, erect when dry, erect-spreading when moist; basal leaves scale-like; upper leaves 5–10 mm long, lanceolate, slightly sheathing at base; ventral lamellae in 20–50 rows, 4–7 cells high, apical cells of the lamellae pyriform, yellowish, with large lumen; costa narrow, spinose on back above; leaf margins serrate; median leaf cells rounded ovate or nearly quadrate, thick-walled. Dioicous. Perigonia in rosettes, perigonial leaves short. Perichaetial leaves similar to the stem leaves, usually sheathing at base. Setae slender, 3–4 cm long; capsules erect or slightly inclined, 4.0–5.5 mm long, 4–6 obtusely keeled, apophyses distinct; exothecial cells thick-walled; stomata at base of urns; opercula beaked, deciduous; annuli differentiated; peristome teeth usually 64; membrane thin. Calyptrae cucullate, densely covered by golden hairs. Spores spherical or rounded ovoid, 11–13 µm in diameter, verrucose.
 
 
 


 

 
 
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