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Macrocoma (Hornsch. ex Müll. Hal.) Grout 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 Garden Decrease font Increase font Restore font
 

Published In: The Bryologist 47(1): 4. 1944. (Bryologist) Name publication detail
 

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Project Data     (Last Modified On 9/24/2012)
General Reference:

Notes     (Last Modified On 9/24/2012)
general taxon notes:
The genus Macrocoma consists of 11 species in the world (Vitt 1973b, 1980a, 1980b). One subspecies is known in China.

 

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3. Macrocoma (Hornsch. ex Müll. Hal.) Grout  直叶藓属  zhi ye xian shu
Bryologist 47: 4. 1944. Macromitrium sect. Macrocoma Hornsch. ex Müll. Hal., Bot. Zeitung (Berlin) 3: 522. 1845. Macromitrium subgen. Macrocoma (Hornsch. ex Müll. Hal.) Broth., Nat. Pflanzenfam. I(3): 477. 1902.
 
Plants rather slender, rigid, often in dull, brown mats. Stems creeping, loosely pinnately or irregularly branched, with slender, suberect, more or less subjulaceous branches. Leaves erect-appressed when dry, erect-spreading when moist, lanceolate to oblong-lanceolate, often keeled, narrowly acute at the apex, somewhat excavate at the base; margins entire, plane or slightly revolute on one side at the base; costae single, strong, subpercurrent; leaf cells rounded-quadrate to shortly oval, nearly uniform throughout, slightly elongate near the insertion, thick-walled, smooth, bulging or mammillose. Autoicous. Setae more or less elongate; capsules erect, symmetric, exserted, oblong-ovoid or shortly cylindrical, somewhat constricted at the mouth; opercula conic-rostrate; annuli weakly differentiated; peristome double, but exostome teeth usually highly reduced, single or absent. Calyptrae mitrate, plicate, naked or hairy. Spores spherical, large, densely papillose.
 
 
 
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