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Published In: Journal of Science of the Hiroshima University, Series B, Division 2 (Botany) 2(Bot.)8: 185. 26. 1958. (J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot.) 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 sakuraii (Sakurai) Ando (Figs. 1–10.)
Map: Hypnum sakuraii (Sakurai) Ando (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on moist thin soil over rocks, humus, rotten wood or tree trunks in forests; alt. 200–2780 m.
Distribution: China and Japan.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huang, D.-K. Li 453, 626 (SHM). Fujian: Mt. Wuyi, M. Zang 698 (HKAS); Mt. You-ti, J. Zhu 1346, 1358, 1404 (all in HSNU); Nan-jing Co., G.-C. Zhang & J.-Y. Feng 541, 594 (both in IFSBH); Ning-de Co., J. Zhu 88, 426, 198, 804 (all in HSNU). Guizhou: Gui-yang City, Mt. Qianling, Guiyang Teachers’ Univ. 20a (PE); Jiang-kou Co., Mt. Fanjing, Guiyang Teachers’ Univ. Biol. Dept. 40095 (GUNB), C. Gao 31229, 31318, 31614 (all in IFSBH). Henan: Xin-yang City, Xinxiang Teachers’ Univ. 2147a (PE), M. Liu 2384 (PE). Shaanxi: Mt. Taibai, Q. Huang & G.-X. Li 2364 (PE). Sichuan: Guan-xian Co., Mt. Qing-cheng, S.-M. Yu 847, 881 (both in HKAS); Jiu-long Co., Z.-T. Guan 0351 (PE); Tian-quan Co., Mt. Er-lang, C. Gao 18501 (IFSBH); Ya-an Co., C. Gao 17303, 17309, 17330, 17432 (all in IFSBH).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
The plants of Hypnum sakuraii when growing in moist areas are usually tinged with reddish color. This species is close to Hypnum plumaeforme, but differs in having narrowly lanceolate branch leaves, which are not cordate at base, and by having 1–2 rows of quadrate cells above alar cells and longer linear leaf cells (60–90 µm long); while in Hypnum plumaeforme, the leaf cells are only 40–60 µm long.


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16. Hypnum sakuraii (Sak.) Ando   湿地灰藓   shi di hui xian
J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot. 8: 185. 1958. Calohypnum sakuraii Sak., J. Jap. Bot. 25: 219. f. 1. 1950. Type: Japan. Shizuoka Pref., Mt. Higane, T. Haneda I44990.
Plants robust, golden reddish, purple or reddish brown, in dense tufts. Stems creeping or suberect; in stem cross section one layer of epidermal cells thin-walled, 3 layers of thick-walled outer cortical cells, inner cortical cells enlarged, hyaline, thin-walled; central strand somewhat differentiated; remotely pinnately branched, branches about 0.5–1.5 cm long; pseudoparaphyllia few, foliose. Stem leaves falcate-secund, 2.0–2.7 mm × 0.70–0.95 mm, ovate-lanceolate, shortly acuminate at apex, nearly rounded ovate at base; margins plane, serrulate near apex; costae double, very short or indistinct; basal leaf cells usually yellowish or reddish brown, alar cells excavated, consisting of several enlarged hyaline cells, usually 1–2 rows of smaller, quadrate above the inflated alar cells; branch leaves smaller and narrower, slightly concave, 1.8–2.1 mm × 0.4–0.5 mm, oblong-lanceolate; median leaf cells linear, 60–90 µm × 3 µm, often thick-walled, sometimes prorate. Dioicous. Perichaetial leaves narrowly lanceolate, very slender at apex, margins entire, sometimes laciniate below the apex, plicate, costa indistinct. Setae reddish brown, twisted when dry, about 0.5 cm long; capsules dark brown, inclined, oblong-ovoid to cylindrical, 2.0–2.5(–3.0) mm thick, suberect, sometimes slightly arcuate, smooth, not constricted below the mouth when dry; opercula shortly rostrate; annuli somewhat developed, in 2 rows; peristome perfect hypnoid, cilia 1–2. Calyptrae not seen. Spores papillose, 25–30 µm in diameter.


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