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!!Haplohymenium Dozy & Molk. 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: Musci Frondosi Inediti Archipelagi Indici 127. 1846. (Musc. Frond. Ined. Archip. Ind.) Name publication detail
 

Project Name Data (Last Modified On 3/27/2009)
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Notes     (Last Modified On 3/27/2009)
general taxon notes:
Haplohymenium is distinguished from Anomodon by its smaller and slender plants, ovoid to oblong-ovoid capsules, grossly papillose and irregularly thickened peristome teeth, reduced endostomal development, and remotely pilose calyptrae. The first report of Haplohymenium in China was made by Brotherus (1925). In an earlier time, Cardot (1905) treated H. sieboldii (Dozy & Molk.) Dozy & Molk. as Anomodon submicrophyllus. Later, Brotherus (1928) published a new species, H. pellucens Broth. (= H. sieboldii) from Taiwan. P.-C. Chen et al. (1978) listed six species of Haplohymenium from China, and five species are recognized in this study. There are about 8 species of Haplohymenium in the world, but most of them are dealt with under the genus Anomodon according to Granzow de la Cerda (1997).

 

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2. HaplohymeniumDozy & Molk. 多枝藓属 duo-zhi xian shu
Musc. Frond. Ined. Archip. Ind.: 127, f. 40. 1846.
 
Plants delicate, usually yellowish green to brownish green, loosely pendulous from substrata. Stems mostly irregularly branched or remotely branched; paraphyllia absent. Stem leaves and branch leaves similar, imbricate when dry, erect-spreading or squarrose when moist, plicae absent, ovate or oblong-ovate at the base, tapering into narrow, lingulate or lanceolate, mostly rounded, rarely acute apices; leaf margins plane, finely serrulate or rounded papillose, rarely serrate at the apex; costa single, up to the middle of leaf, rarely stout and reaching to the leaf apex; leaf cells hexagonal or rounded hexagonal, thin-walled, roughly papillose; basal median cells hyaline, without papilla. Monoicous. Perichaetial leaves rather large, erect, oblong-ovate at base, acuminate above. Setae 1.5–5.0 mm long; capsules ovoid to oblong-ovoid, symmetrical, brown; annuli narrow, well developed; opercula conical with beaks; exostome teeth light yellow, narrowly lanceolate, papillose, perforate; endostome segments reduced; basal membrane very low. Calyptrae cucullate, sometimes lobed at base, granulate at apex, rarely with erect hairs.
 
 
 

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1. Plants with flagelliform branches............................................................................1. H. flagelliforme
1. Plants without flagelliform branches......................................................................................2
2. Stem leaves and branch leaves ovate, gradually tapering to an acute acumen......................... 4. H. sieboldii
2. Stem leaves and branch leaves ovate or widely ovate, suddenly narrowed to a lanceolate acumen............. 3
3. Stems and branches without central strands; leaf cells spinosely unipapillose; costa extending to near the leaf apex........................................................................................2. H. longinerve
3. Stems and branches with central strands; leaf cells multipapillose; costa extending above the middle of leaf.............................................................................................................4
4. Branch leaves usually less than 0.5 mm long; basal median leaf cells short................... 3. H. pseudotriste
4. Branch leaves ca. 1 mm long; basal median leaf cells elongate...............................5. H. triste
 
 
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