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Published In: Nuovo Giornale Botanico Italiano, Nuova Serie 5: 200. 1898. (Nuovo Giorn. Bot. Ital., n.s.) Name publication detail

Project Name Data (Last Modified On 3/30/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Brachythecium perminusculum Müll. Hal. (Figs. 1–12.)
Map: Brachythecium perminusculum Müll. Hal. (Distribution in China)

Distribution     (Last Modified On 5/5/2009)
Habitat: often on rocks; alt. unknown.
Distribution: endemic to China.

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:
Chinese specimens examined: Anhui: He-shan Co., K.-H. Cai 2312 (HSNU). Chongqing: C. Gao 40110 (FSBH). Heilongjiang: Wudalianchi City, C. Gao 13217 (IFSBH). Hunan: Mt. Jintong, G.-Z. He 1008 (PE). Nei Mongol: Ning-cheng Co., X.-L. Bai 2237 (HIMC). Shaanxi: Chang-an Co., M.-X. Zhang 1893, 2016, 2040 (all in WUK); Cheng-gu Co., M.-X. Zhang 1304 (WUK); Mt. Duijiao, Giraldi 1865 (FI); Mt. Qinling, P.-C. Chen 389 (PE); Ning-qiong Co., L.-M. Li 990 (WUK); Ning-shan Co., M.-X. Zhang 3176, 3386 (both in WUK); Zhou-zhi Co., L.-M. Li 1235, 1399 (both in WUK). Shandong: Rong-cheng Co., L.-M. Li 1094 (WUK). Sichuan: Mt. Omei, X.-X. Zhong 553 (WUK). Xizang: Zhunba, M. Zang 1305a (HKAS). Yunnan: De-qin Co., L.-S. Wang 81-2200 (HKAS); Kunming City, S.-G. Wu 3017 (HKAS).

Notes     (Last Modified On 5/5/2009)
general taxon notes:
Brachythecium perminusculum is characterized by the small plants, narrowly linear cells with angled ends (length vs. width ratio 16 to 1). It was treated as a synonym of B. buchananii by Ignatov and Koponen (1996).


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22. Brachythecium perminusculum Müll. Hal.   小青藓   xiao qing xian
Nuovo Giorn. Bot. Ital., n.s., 5: 200. 1898. Type: China. Shaanxi, Giraldi s.n.
Plants small, pale green or yellowish green, in dense mats. Stems only to 2 cm long, prostrate, irregularly bi-pinnately branched, with short branches. Stem and branch leaves similar, loosely imbricate when dry, erect-spreading when moist, narrowly ovate- or triangular-lanceolate, 1.23–1.67 mm × 0.38–0.54 mm, more or less concave, slenderly acuminate toward apex, leaf bases somewhat truncate at insertion, occasionally auriculate; margins entire below, serrulate above; costae slender, ending well above mid-leaf; median leaf cells narrowly linear, 75–90 µm × 4–6 µm, with angled ends; alar cells quadrate or oblate, not extending close to costa at leaf base. Dioicous? Setae ca. 10–11 mm long, slightly reddish, smooth; capsules slightly inclined, ellipsoidal; opercula shortly conic-rostrate; peristome not seen. Spores not seen.
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