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Published In: Die Natürlichen Pflanzenfamilien I(3): 1027. 1908. (Nat. Pflanzenfam.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 4/2/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Homomallium plagiangium (Müll. Hal.) Broth. (Figs. 1–14.)
Map: Homomallium plagiangium (Müll. Hal.) Broth. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on trunks, rotten wood, or rocks; alt. 950–4950 m.
Distribution: China and Russian Far East.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Hebei: Wei-xian Co., Y.-C. Zhao s.n. (PE). Hubei: Mt. Shennongjia, P.-C. Wu 112a (MO, PE). Shannxi: Chang-an Co., M.-X. Zhang 126, 297, 320, 425, 604, 727, 952 (all in XBGH). Shanxi: Zhongtiao Shan (Mt.), Y.-J. Ling 940 (XBGH). Sichuan: Omei Co., Redfearn 34553 (MO); Wen-chuan Co., Redfearn 34816 (MO). Xizang: Ban-ge Co., B.-S. Li CT 8a (PE). Yunnan: Song-ming Co., Redfearn & S. He 1816 (MO); Xiang-yun Co., Redfearn et al. 1679 (MO); Yang-bi Co., Redfearn & Y.-G. Su 785 (MO).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Homomallium plagiangium is very close to H. japonico-adnatum, but differs from the latter in having much weaker costae and smooth, lax leaf cells. Homomallium japonico-adnatum usually has prorate leaf cells.


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5. Homomallium plagiangium (C. Müll.) Broth.   华中毛灰藓   hua-zhong mao hui xian
Nat. Pflanzenfam. I(3): 1027. 1908. Hypnum plagiangium (C. Müll.) Levier, Nuovo Giorn. Bot. Ital., n.s., 13: 265. 1905. Stereodon plagiangium (C. Müll.) Broth. in Levier, Nuovo Giorn. Bot. Ital., n.s., 13: 265. 1906. Pylaisia plagiangia C. Müll., Nuovo Giorn. Bot. Ital., n.s., 4: 266. 1897. Type: China. Shaanxi (Schen-si), Lao-y-san, March 1896, Giraldi s.n.
Plants slender, pale green. Stems creeping, irregularly branched, branches elongate, ca. 4 mm long; central strand not clearly differentiated. Stem leaves and branch leaves somewhat differentiated, ovate to oblong- or ovate-lanceolate, gradually acuminate, 1.0–1.2 mm × 0.3–0.4 mm; margins plane, rarely recurved at base, nearly entire; costae double or indistinct; leaf cells narrowly rhomboidal, smooth, median cells 40–60 µm × 5–6 µm; alar cells numerous, lax, quadrate, 5–7 rows, with 15–30 cells extending along the margins. Autoicous. Perichaetial leaves enlarged, broader at base, long-acuminate. Setae short or elongate, reddish; capsules small, erect to horizontal, cylindrical; opercula conic, shortly rostrate; peristome double; exostome teeth lanceolate, pale yellowish, with zigzag median line on dorsal surfaces, trabeculate on the ventral surfaces; endostome segments with high basal membrane, cilia absent. Spores papillose.


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