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Published In: Symbolae Sinicae 4: 133. 1929. (Symb. Sin.) Name publication detailView in Biodiversity Heritage Library

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 obtusatum Broth. (Figs. 1–16.)
Map: Oligotrichum obtusatum Broth. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on wet substrates along roadsides, forest ground, or rocks in high elevations; alt. 3100–3400 m.
Distribution: China and Nepal.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Taiwan: Nan-tuo Co., Hyvönen 3469 (H). Yunnan: Da-li Co., Redfearn et al. 1182 (MO, PE); Gong-shan Co., Yunnan Univ. 10 (PE); Yi-liang Co., W.-X. Xu 22 (YNKU).


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4. Oligotrichum obtusatum Broth.   钝叶小赤藓   dun ye xiao chi xian
Symb. Sin. 4: 133. 1929. Type: China. Yunnan Prov., between Dali and Hodjing, Handel-Mazzetti 6505 (holotype H).
Plants rather small, 0.5–1.2 cm high, brownish green to reddish brown, often in tufts. Leaves nearly oblong-oval, 1.5–2.0 mm × 0.5–1.0 mm, usually concave; margins serrate; costa somewhat broad, ending near the apex; ventral lamellae slightly wavy or crisped, usually in 3–10 rows, 3–5 cells high; on leaf back with only a few spines; median leaf cells rounded quadrate to irregularly oval, 9–15 µm wide; basal cells elongate or irregularly rectangular, 18–25 µm × 8–16 µm, slightly thick-walled. Dioicous. Perichaetial leaves lanceolate above, sheathing at base. Setae reddish brown, straight; capsules oblong-ovoid to shortly cylindrical, usually curved; peristome teeth 32; opercula conic, shortly beaked. Calyptrae cucullate, smooth. Spores spherical, ca. 10 µm in diameter, finely papillose.
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