Home Moss Flora of China
Name Search
About
Moss Checklist
Family List
Genera List
Species List
Guide to Authors
Participants
Glossary
!!Gymnostomum Nees & Hornsch. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Bryologia Germanica 1: 112. 1823. (Bryol. Germ.) Name publication detail
 

Project Name Data (Last Modified On 3/13/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/13/2009)

 

Export To PDF Export To Word
12. Gymnostomum Nees & Hornsch.   净口藓属  jing-kou xian shau
Bryol. Germ. 1: 153. 1823, nom. cons.
 
Plants perennial, small to rather large, in dense tufts, growth by annual renovation at the stem apices. Stems erect, simple, rarely branched; central strand present, weak. Leaves contorted when dry, erect-spreading when moist, oblong-elliptically lanceolate to narrowly lanceolate; margins plane, entire; costa stout, usually ending below the apex; upper leaf cells small, rounded quadrate to rounded hexagonal, densely papillose; basal cells irregularly rectangular, smooth, hyaline or pale yellowish. Dioicous. Perichaetial leaves somewhat sheathing at the base. Setae straight, slender; capsules erect, oblong-ovoid; peristome teeth absent; opercula conic-rostrate, with a long beak, deciduous or persistent with columella. Calyptrae cucullate. Spores yellowish brown, smooth or densely papillose.
 

Export To PDF Export To Word
1. Plants less than 10 mm high, blackish yellow-green; leaves oblong-elliptic to nearly ligulate................. 2. G. calcareum
1. Plants 20–60 mm high, bright green; leaves lanceolate to ovate-lanceolate..................................................... 2
2. Leaf bases oblong; leaf cells moderately thick-walled, pluripapillose........................ 1. G. aeruginosum
2. Leaf bases ovate; leaf cells strongly thick-walled, smooth..................................................... 3. G. laxirete

 

 
 
© 2024 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110