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Published In: Bryologia Universa 2: 631–632. 1827. (Bryol. Univ.) Name publication detail

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

Illustration & Map     (Last Modified On 4/2/2009)
Related Objects:


Illustrations: P.-C. Wu & Y. Jia (eds.) (2004), Pl. 66, figs. 1–10.

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Map: Hypnum callichroum Brid. (Distribution in China)

Distribution     (Last Modified On 4/2/2009)
Habitat: on soil, rocks, rotten wood or tree trunks in forests; alt. 760–3990 m.
Distribution: China, Japan, Russia, Europe, and North America.

Specimens Examined     (Last Modified On 4/2/2009)
Specimens Examined:
Chinese specimens examined: Guizhou: Jiang-kou Co., Mt. Fanjing, Guiyang Teachers’ Univ. Biol. Dept. 61 (GNUB). Hebei: Wei-xian Co., H.-B. Cui 7 (MO, PE). Heilongjiang: Xiao Xing An Ling (Lesser Khingan Mt.), X.-L. Zhu 31 (PE). Henan: Ji-yuan Co., D.-Z. Tu 1371 (MO); Lu-shi Co., H.-J. Yu 5316 (MO, PE); Song-xian Co., J.-X. Luo 402 (PE); Xi-xia Co., J.-X. Luo 294 (PE). Jiangsu: Wu-xi City, B. Deng s.n. (XBGH). Jilin: Lin-jiang Co., Z.-Y. Wu 1037 (IFSBH); Mt. Changbai, C. Gao 1125 (IFSBH). Nei Mongol: Gen-he City, Mt. Wangfeng, H.-F. Xie 0013 (IFSBH); Mt. Helan, Z.-G. Tong 1282 (PE). Ningxia: Mt. Helan, D.-M. Lei 3 (XBGH). Shaanxi: Mt. Taibai, Z.-P. Wei 5095 (XBGH), Q. Huang & G.-Y. Li 2389 (PE). Sichuan: Ba-tang Co., S. He 31384 (MO, PE); Da-jin Co., Z.-T. Guan 3085 (MO); Dao-cheng Co., S. He 31727 (MO, PE); Jiu-long Co., Z.-T. Guan 32-0527, 36-0731 (both in MO, PE); Ma-er-kang Co., X.-J. Li 948, 1534 (both in HKAS); Mu-li Co., Nong-Lin Exped. Team 80a (PE); Nan-ping Co., S. He 30236 (MO, PE); Xiao-jin Co., P.-X. Li 42, 4823 (PE), Z.-T. Guan 3085, 4109 (both in PE); Ya-an Co., J.-L. Yang 2049 (HKAS); Ya-jiang Co., S. He 32012 (MO, PE); Yi-da Co., Q.-L. Zhang 3302102 (MO, PE). Xinjiang: Gong-liu, S.-L. Chen 43 (PE); Ha-mi Co., J.-C. Zhao 4486 (XBGH); Sha-wan-zi Co., S.-L. Chen 9 (PE); Urum-qi Co., S. He 951075 (MO); Yi-wu Co., J.-C. Zhao 04309 (XBGH). Xizang: Ji-long Co., S.-K. Chen 309 (HKAS); Lang-xian Co., M. Zang 1888a (HKAS); Mi-lin Co., S.-K. Chen 4885a (HKAS); San-an-qu-lin, M. Zang 1634 (HKAS); Ya-dong Co., M. Zang 466 (HKAS); Ya-song, S.-K. Chen 4988 (HKAS). Yunnan: An-ning Co., Magill et al. 8045 (MO); Fu-gong Co., S.-G. Wu 2 (PE); Zhong-dian Co., H.-F. Xie 2002, 2071 (both in PE).

Notes     (Last Modified On 4/2/2009)
general taxon notes:
This species is characterized by its long, slenderly acuminate leaf apices, strongly falcate-secund leaves, distinctly differentiated alar cells, and a row of inflated, hyaline, thin-walled epidermal stem cells. 


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2. Hypnum callichroum Brid.   尖叶灰藓   jian ye hui xian
Bryol. Univ. 2: 631. 1827. Stereodon callichrous (Brid.) Braith., Brit. Moss Fl. 3: 166. 1902. Type: Europe.
Plants soft and slender, in dense mats, green or yellowish green, somewhat glossy. Stems prostrate or erect-ascending; in stem cross section one layer of inflated, hyaline, and thin-walled epidermal cells, central strand well developed; regularly pinnately branched, branches short, often circinate; pseudoparaphyllia foliose or lanceolate. Stem leaves falcate-secund, 1.6–1.8 mm × 0.7–0.8 mm, broadly elliptical-lanceolate, narrowed and decurrent at base, gradually slenderly acuminate, slightly concave and plicate; margins plane, entire; costae double, short or indistinct; leaf cells linear, 47–80 µm × 4–5 µm, basal cells shorter, thick-walled; alar cells distinctly differentiated, few, oval or rounded rectangular, hyaline or yellowish brown, excavate. Dioicous. Setae elongate, 1.5–2.0 cm long, reddish; capsules suberect or horizontal, usually slightly arcuate, cylindrical; opercula conic; annuli differentiate, 3–4 rows. Calyptrae not seen. Spores 16–18 µm in diameter, minutely papillose or nearly smooth.


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