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!Pseudochorisodontium gymnostomum (Mitt.) C. Gao, Vitt, Fu Xing & T. Cao Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Moss Flora of China, English Version 1: 223. 1999. (Moss Fl. China) Name publication detail
 

Project Name Data (Last Modified On 3/10/2009)
Acceptance : Accepted
Project Data     (Last Modified On 4/30/2009)
General Reference:

Illustration & Map     (Last Modified On 4/30/2009)
Illustrations: Pseudochorisodontium gymnostomum (Mitt.) C. Gao, Vitt, Fu Xing & T. Cao (Figs. 1–12.)
Map: Pseudochorisodontium gymnostomum (Mitt.) C. Gao, Vitt, Fu Xing & T. Cao (Distribution in China)

Distribution     (Last Modified On 4/30/2009)
Distribution:
Habitat: on soil.
Distribution: China and India.
 

Specimens Examined     (Last Modified On 4/30/2009)
Specimens Examined:
Chinese specimens examined: Guizhou: Sui-yang Co., C. Gao & J.-Y. Feng 32231 (ALTA, IFSBH). Sichuan: Dao-cheng Co., M.-Z. Wang 8129346 (IFSBH, PE); Mu-li Co., C. Gao 20254, 20286 (ALTA, IFSBH), C. Gao et al. 20565 (IFSBH); Ping-wu Co., Q. Li 10203 (ALTA, IFSBH); Xiang-cheng Co., M.-Z. Wang 813934(b) (IFSBH, PE). Xizang: Ba-qing Co., K.-Y. Zhao 44 (IFSBH); Mi-lin Co., Y.-G. Su 5042 (IFSBH, KUN), 5236 (IFSBH, KUN); Mo-tuo Co., S.-K. Chen 77 (IFSBH, KUN); Ya-dong Co., Y.-C. Yang 11 (IFSBH), M. Zang 398 (KUN). Yunnan: De-qin Co., M. Zang 914499 (IFSBH, KUN); Li-jiang Co., Z.-F. Fang 26145 (ALTA, IFSBH), Z.-F. Fang & S.-D. Zhao 759 (IFSBH).

Notes     (Last Modified On 4/30/2009)
general taxon notes:
The type specimen of Dicranum gymnostomoides var. microcarpum is identical to that of D. gymnostomoides, which is a synonym of D. gymnostomum.

 

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2. Pseudochorisodontium gymnostomum (Mitt.) C. Gao, D. Vitt, X. Fu & T. Cao, comb. nov.  无齿藓 wu-chi xian
Dicranum gymnostomum Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 14. 1859. Syntypes. Himalayas: J. D. Hooker 67, 67b, 70, 70b.
Dicranum gymnostomoides Broth. in Handel-Mazzetti, Symb. Sin. 4: 25. 1929. Type. China: Yunnan, between Mekong-Salwin, Handel-Mazzetti 7142, 9817 (syntypes H).
Dicranum gymnostomoides var. microcarpum Broth. in Handel-Mazzetti, Symb. Sin. 4: 25. 1929, syn. nov. Type. China: Yunnan, Li-jiang (Lidjiang), Handel-Mazzetti 6755 (holotype H).
 
Plants medium-sized to large, fairly coarse, up to 6 cm high, dull green or brownish green, in weakly shiny tufts. Stems erect or ascending, simple or branched, densely foliate, tomentose below. Leaves falcate-secund, homomallous when dry, erect-spreading when moist, ovate-lanceolate, 8 mm × 1.2 mm, gradually to rather abruptly narrowed from an oblong-ovate, somewhat sheathing base to a long, slender, canaliculate acumen; margins plane or slightly incurved on one side at base, entire below, serrulate near the apex; costa narrow, brownish, shortly excurrent, smooth or roughened at back near the apex; upper cells rhomboidal or oblong-elliptical, incrassate, projecting at the cell ends; basal cells elongate, irregularly rectangulate, ca. 60 µm × 11 µm, unevenly thick-walled, porose; alar cells rectangular, inflated, slightly bulging, 2–3 stratose, reddish brown, not extending to the costa. Dioicous. Perichaetial leaves ca. 9 mm long, highly convolute-sheathing at base, abruptly narrowed to a short, setaecous acumen. Setae straight, ca. 3 cm long, twisted when dry, brownish; capsules erect, cylindric, ca. 2 mm × 0.5 mm, pale brownish; opercula erect, long-rostrate; peristome teeth absent. Spores not seen.
 
 
 
 
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