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!!Rhodobryum (Schimp.) Limpr. 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
 

Publicado en: Die Laubmoose Deutschlands, Oesterreichs und der Schweiz 2(20): 444. 1892. (Laubm. Deutschl.) Name publication detail
 

Datos del Proyecto Nombre (Last Modified On 3/18/2009)
Aceptación : Accepted
 

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11. Rhodobryum (Schimp.) Limpr.   大叶藓属   da ye xian shu
Laubm. Deutschl. 2: 444. 1892. Bryum sect. Rhodobryum (Schimp.) Husn., Fl. Mousses Nord. Ouest (ed. 2) 112. 1882. Bryum subgen. Rhodobryum Schimp., Syn. Musc. Eur. 381. 1860.
 
Plants rather large to robust, green to deeply green, in loose tufts. Stems erect, with primary stems prostrate and underground. Lower leaves small, scale-like, distant, oblong-ovate to shortly ovate-lanceolate; upper leaves large, forming rosettes on the top of stems, oblong-obovate to spathulate, broadly acute or bluntly acute, apiculate, slightly concave or keeled; margins mostly plane, strongly serrate above, entire, recurved below; costae broader at base, slender toward apex, nearly percurrent to shortly excurrent; in cross section dorsal stereids absent or present. Dioicous. Sporophytes terminal. Setae elongate; capsules horizontal or pendulous, cylindrical; neck very short or indistinct, stomata superficial; opercula conic at base, shortly rostrate; annuli large; exostome teeth 16, linear-lanceolate, papillose; endostome segments 16, linear-lanceolate, minutely papillose, nearly as long as the teeth, centrally perforate; basal membrane ca. 2/3 the height of segments; cilia 2–3, nodose or appendiculate. Calyptrae unknown. Spores small, spherical, smooth to scabrose.
 
 

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The genus consists of some 30 species in the world. Four species are recognized in China.
 
1. Leaf marginal teeth in pairs..................................................................1. R. giganteum
1. Leaf marginal teeth single.................................................................................2
2. Costae without dorsal stereids; leaf margins bordered by 2–4 rows of narrower cells.. 2. R. laxelimbatum
2. Costae with dorsal stereids; leaf margins bordered rather indistinctly or by 1–2 rows of narrower cells.. 3
3. Terminal leaves with slightly broader apices than the middle leaves; costae percurrent to shortly excurrent, in cross section with distinctly dorsal stereids and 1 row of large guide cells......................... 3. R. ontariense
3. Terminal leaves with much broader apices than the middle leaves; costae nearly percurrent to percurrent, in cross section with less distinctly dorsal stereids and 2 rows of large guide cells.......................... 4. R. roseum
 
 
 
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