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Published In: Journal of the Hattori Botanical Laboratory 38: 633. f. 1–11. 1974. (J. Hattori Bot. Lab.) Name publication detail

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/7/2009)
General Reference:

Illustration & Map     (Last Modified On 5/7/2009)
Illustrations: Polytrichastrum emodi G.L. Sm. (Figs. 1–7.)
Map: Polytrichastrum emodi G.L. Sm. (Distribution in China)

Distribution     (Last Modified On 5/7/2009)
Habitat: mostly on soil along roadsides or forest ground; alt. 3400–3700 m.
Distribution: China and the Himalayan regions.

Specimens Examined     (Last Modified On 5/7/2009)
Specimens Examined:
Chinese specimens examined: Sichuan: Ruo-er-gai Co., S. He 30708, 30713a (both in MO). Xizang: Cha-yu Co., C.-W. Wang 6083 (PE). Yunnan: Zhong-dian Co., C.-W. Wang 5093, 5253, 5257, 5291 (all in PE).

Notes     (Last Modified On 5/7/2009)
general taxon notes:
Polytrichastrum emodi is characterized by its smooth, pyriform apical cells of lamellae and serrulate leaf margins. Polytrichum crassilamellatum was placed as a synonym of Polytrichastrum sexangulare (Floerke ex Brid.) G. L. Smith by B. C. Tan & J.-C. Zhao (1997). However, Polytrichum crassilamellatum clearly has serrate leaf margins, while Polytrichastrum sexangulare has entire margins. According to Smith (1974) Polytrichastrum emodi is close to P. sexangulare, but differs in having serrate leaf margins in contrast to the entire margins of the latter species. It was not possible to verify the reports of B. C. Tan & J.-C. Zhao (1997), where P. sexangulare was reported new to China from Xinjiang province.


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2. Polytrichastrum emodi G. L. Smith   厚栉拟金发藓   hou zhi ni jin fa xian
J. Hattori Bot. Lab. 38: 633. f. 1–11. 1974. Type: Nepal. Between Lama Chungbu and Slesa, Iwatsuki 1602.
Polytrichum crassilamellatum W.-X. Xu & R.-L. Xiong, Acta Bot. Yunnan. 6(2): 179. 1984. Type: China. Xizang, Zhongba Co., Shengli, 5600 m, D.-D. Tao 2095 (holotype YUKU).
Plants small. Stems erect, 2–3 cm high. Stem leaves crowded above, erect when dry, clasping at base, erect-patent when moist, basal leaves often scale-like; mature leaves 4–7 mm long, narrowly lanceolate, concave, rounded ovate or shortly oblong and sheathing at base; ventral lamellae in 20–35 rows, 5–6 cells high; apical cells of lamellae pyriform, lumen small, very thick-walled above, usually roughened, brownish; margins clearly serrate; costa broad, ending in the apex or excurrent to a reddish filiform awn; median cells rounded ovate or rounded quadrate to irregularly oblate, 3–15 µm × 5–12 µm, thick-walled; upper sheathing base bordered by hyaline cells, cells in the sheathing base irregularly rectangular, 5–7 µm × 18–40 µm, cells above sheathing base worm-shaped. Dioicous. Setae ca. 1.5 cm long; capsules ovoid-cylindrical, erect; exothecial cells smooth, apophyses slightly restricted, with stomata at base of urns; epiphragm fleshy; peristome teeth 32, hyaline; opercula long beaked. Calyptrae cucullate, covering 2/3 the capsules, densely ciliate. Spores spherical, 9–12 µm in diameter, verrucose.


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