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!Pseudochorisodontium mamillosum (C. Gao & C.W. Aur) 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: 226. 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 mamillosum (C. Gao & C.W. Aur) C. Gao, Vitt, Fu Xing & T. Cao (Figs. 1–12.)
Map: Pseudochorisodontium mamillosum (C. Gao & C.W. Aur) C. Gao, Vitt, Fu Xing & T. Cao (Distribution in China)

Distribution     (Last Modified On 4/30/2009)
Distribution:
Habitat: on bases of trees in bushlands.
Distribution: endemic to China.
 

Specimens Examined     (Last Modified On 4/30/2009)
Specimens Examined:
Specimens examined: Xizang: Cha-yu Co., S.-G. Wu 1081 (IFSBH, KUN); Ya-dong Co., S.-K. Chen 5040 (IFSBH, KUN).

 

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4. Pseudochorisodontium mamillosum (C. Gao & Z.-W. Ao) C. Gao, D. Vitt, X. Fu & T. Cao, comb. nov.   瘤叶无齿藓 liu-ye wu-chi xian
Dicranum mamillosum C. Gao & Z.-W. Ao, Bull. Bot. Lab. N.-E. Forest. Inst., Harbin 7:98. 1980. Type. China: Xizang, Ya-dong Co., M. Zang 426 (holotype KUN; isotype IFSBH).
 
Plants large to fairly robust, 6–10 cm high, yellowish green or dull green, shiny, in dense tufts. Stems erect, often dichotomously branched, densely tomentose below. Leaves loosely appressed or weakly flexuose- crispate when dry, erect-spreading when moist, ca. 6 mm long, gradually to rather abruptly narrowed from an oblong-ovate base to a slender, subulate acumen, the acumina about as long as the leaf base; margins plane, serrulate in the upper 1/3; costa slender, occupying ca. 1/8–1/6 the leaf base width, subpercurrent to percurrent, serrate at back near the apex; upper cells irregularly rounded quadrate, incrassate, not porose, coarsely papillose on both surfaces; basal cells elongate, nearly rounded rectangular, thick-walled, porose; alar cells well differentiated, 4–5 stratose, slightly inflated, yellowish brown. Dioicous. Male plants dwarfed. Perichaetial leaves highly convolute-sheathing, abruptly narrowed to a short, subulate acumen. Setae solitary, rarely double, straight, ca. 2 cm long, yellowish brown; capsules erect, cylindric, ca. 3 mm × 0.8 mm; opercula erect, long-rostrate, ca. 2 mm long or as long as the urns; peristome teeth absent. Spores 12–15 µm in diameter, brownish.
 
 
 
 
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