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Published In: Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1877–78: 331 (Gen. Sp. Musc. 2: 395). 1880. (Ber. Thätigk. St. Gallischen Naturwiss. Ges.) Name publication detail

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: Hypnum oldhamii (Mitt.) A. Jaeger (Figs. 1–15.)
Map: Hypnum oldhamii (Mitt.) A. Jaeger (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on rocks, soil, humus, tree trunks or branches, and moist ground near streams; alt. 570–4500 m.
Distribution: China, Korea, and Japan.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huang, D.-K. Li 2395a (SHM). Chongqing: Nan-chuan Co., M.-Z. Wang 860039f (MO, PE). Fujian: Fu-an Co., J. Zhu 1772 (HSNU); Mt. Gu, M. Zang 806, 809, 900 (all in HKAS); Mt. Wuyi, M. Zang 646, 750 (both in HKAS); Ning-de Co., J. Zhu 1093 (HSNU). Guangdong: Ren-hua Co., H.-D. Zeng 26103 (PE). Guangxi: Long-sheng Co., J.-M. Jin & S.-S. Hu 386b (PE); Rong-shui Co., Dong-xing, S.-S. Hu 91 (PE); Xing-an Co., Mt. Mao-er, C. Gao & G.-C. Zhang 1184, 1190 (both in IFSBH). Guizhou: Jiang-kou Co., Mt. Fanjing, C. Gao & J.-Y. Feng 31400, 31530, 32181, 32594 (all in IFSBH), Guiyang Teachers’ Univ. 203 (GNUB); Sui-yang Co., C. Gao & J.-Y. Feng 32955, 33052 (both in IFSBH). Hainan: Mt. Jian-feng, P.-C. Chen et al. 272b (PE), P.-C. Chen 778c (MO, PE). Jiangxi: Mt. Lu, E.-Z. Bai & J.-Y. Feng 36874, 37059 (both in IFSBH). Xizang: Bo-mi Co., Y.-G. Su 977 (HKAS); Mo-tuo Co., Y.-G. Su 2316a, 2438 (both in HKAS). Sichuan: Dao-cheng Co., L.-S. Wang 81345, 813140 (both in HKAS); Li-xian Co., X.-J. Li 1784, 1846 (both in HKAS); Lu-ding Co., Y. Xuan s.n (HKAS); Mt. Omei, S.-M. Yu 673 (HKAS); Wo-long Nature Reserve, Y. Xuan s.n. (HKAS). Yunnan: De-qin Co., L.-S. Wang 81-1672 (HKAS); Wei-xi Co., J.-X. Xi 366 (HKAS). Zhejiang: Mt. East Tian Mu, M. Zang 833 (HKAS); Mt. West Tian-mu, M. Zang 600, 660, 662 (all in HKAS).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
This species is characterized by the undifferentiated stem epidermal cells, ovate- to triangular-lanceolate stem leaves, slenderly acuminate leaf apices that are often falcate to circinate, a few enlarged alar cells, and the capsules not wrinkled.


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11. Hypnum oldhamii (Mitt.) A. Jaeger   南亚灰藓   nan ya hui xian
Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1877–78: 331 (Gen. Sp. Musc. 2: 395). 1880. Stereodon oldhamii Mitt., J. Proc. Linn. Soc., Bot. 8: 154. 1864. Type: Japan.
Stereodon circinatulus (Schimp. ex Besch.) Broth., Bull. Herb. Boissier, ser. 2, 2: 990. 1902. Hypnum circinatulum Schimp. ex Besch., Ann. Sci. Nat., Bot., ser. 7, 17: 389. 1893.
Plants medium-sized, up to 8 cm long, yellowish green or brownish green. Stems prostrate, regularly pinnately branched, branches short, flattened, 4–7 mm long; in stem cross section epidermal cells not inflated, outer cortical cells 4 layers, thick-walled, yellowish brown, medullar cells enlarged, hyaline, usually thick-walled, central strand slightly or not developed; pseudoparaphyllia few, lanceolate or rounded foliose, sometimes dentate. Stem leaves falcate-secund toward one side or circinate, ovate-lanceolate or triangular-lanceolate, 1.6–2.5 mm × 0.45–0.70 mm, slenderly acuminate; margins plane, serrulate near the apex; costae double, short, sometimes indistinct; median leaf cells linear, thick-walled, basal cells colored or hyaline; alar cells excavate, consisting of a few large, hyaline cells and some quadrate cells above the inflated cells; branch leaves narrower, slenderly acuminate, circinate, 1.3–1.8 mm × 0.30–0.45 mm; median leaf cells 50–80 µm × 3 µm, thick-walled; alar cells not clearly differentiated, usually with a large hyaline cell, but not excavate. Dioicous. Perichaetial leaves lanceolate, slenderly acuminate, serrulate near the apex, plicate. Setae reddish brown, twisted when dry, 1.5–3.0 cm long; capsules reddish brown or dark brown, more or less cylindrical, 1.5–2.0 mm long, erect or arcuate below the mouth, smooth, not constricted below the mouth when dry; opercula shortly rostrate; annuli developed with 2 rows of cells; peristome typically hypnoid, with 1–2 cilia. Calyptrae not seen. Spores roughened, 18–25 µm in diameter.


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