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!Cynodontium gracilescens (F. Weber & D. Mohr) Schimp. 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: Corollarium Bryologiae Europaeae 12. 1856. (Coroll. Bryol. Eur.) Name publication detail
 

Project Name Data (Last Modified On 3/8/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/8/2009)
General Reference:

Illustration & Map     (Last Modified On 3/8/2009)
Related Objects:
Click here for distribution map.
 
Illustrations: C. Gao (ed.) 1994 (Pl. 93, figs. 1–6).
Map: Cynodontium gracilescens (F. Weber & D. Mohr) Schimp. (Distribution in China)

Distribution     (Last Modified On 3/8/2009)
Distribution:
Habitat: on moist soil over rocks or humic soil, rarely on bases of trees.
Distribution: China, Korea, Japan, Russia, Europe, and North America.
 

Specimens Examined     (Last Modified On 3/8/2009)
Specimens Examined:
Chinese specimens examined: Heilongjiang: Bei-an Co., C. Gao 13299 (IFSBH, MO); Xiao Xing An Ling (Lesser Khingan Mt.), Y. Wu & C. Gao 8175, 11728 (IFSBH, MO). Hubei: Shen-nong-jia Distr., P.-C. Wu 257 (MO). Jilin: An-tu Co., C. Gao 966 (IFSBH); Changbai Shan (Mt.), C. Gao 7354 (IFSBH), 7651 (MO). Sichuan: Liang Shan (Mt.), G.-C. Zhang 21374 (MO); Mu-li Co., C. Gao 20255 (IFSBH, MO); Nan-chuan Co., M.-Z. Wang 860944 (MO); Tian-quan Co., C. Gao 17878 (IFSBH, MO); Ya-jiang Co., S. He 31888b, 31954b (MO). Xizang: Ya-dong Co., M. Zang 678c (KUN), S.-K. Chen 362 (KUN). Yunnan: Li-jiang Co., W.-X. Xu 0181 (YUKU).

Notes     (Last Modified On 3/8/2009)
general taxon notes:
This species is characterized by having spinose leaf cells and rather cygneous setae.

 

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3. Cynodontium gracilescens (Web. & Mohr) Schimp.   狗牙藓 gou-ya xian
Coroll. Bryol. Eur. 12. 1856. Dicranum gracilescens Web. & Mohr, Bot. Taschenb. 184. 1807. Didymodon gracilescens (Web. & Mohr) Mitt., J. Linn. Soc. Bot. Suppl. 1: 23. 1859. Type. Germany.
 
Plants slender, 1–3 cm high, bluish green to yellowish green, in compact tufts. Stems erect, simple or branched, radiculose below. Leaves 2.5–4.0 mm long, lanceolate, keeled, gradually tapered from a rather broad, somewhat sheathing base to narrowly acuminate apex; margins slightly involute here and there, serrulate from the middle; costa percurrent, papillose on the back nearly throughout to the base; upper cells oval-quadrate, highly long spinose on both surfaces; lower cells oblong-rectangular, 70–80 µm × 20–25 µm, hyaline and smooth, becoming shorter and narrower toward the margins; alar cells not differentiated. Autoicous. Perigonia sessile. Inner perichaetial leaves shorter and more strongly sheathing, oblong. Setae ca. 1 cm long, straight when dry, rather cygneous when moist, yellowish brown; capsules erect, narrowly ellipsoid, ca. 1.6 mm × 1.0 mm, not strumose, but nodding, deeply ribbed when dry; opercula long conic-rostrate; annuli developed, in 2 rows; peristome teeth reddish brown, short, divided about halfway down. Spores 14–18 µm in diameter, brownish.
 
 
 


 

 
 
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