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Abietinella Müll. Hal. 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: Nuovo Giornale Botanico Italiano, n.s. 3(1): 115. 1896. (Nuovo Giorn. Bot. Ital., n.s.) Name publication detail
 

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General Reference:

Notes     (Last Modified On 3/30/2009)
general taxon notes:
Species of this genus usually grow in calcareous mountain regions under sunny, moist ground often in large patches or cushions. Based on its pinnately branched plants and peristome features, Crum and Anderson (1981) and Noguchi (1991) treated the species of Abietinella under Thuidium. However, in our opinion, the thick cushion habits, thick-walled leaf cells, and the absence of cilia separate Abietinella from Thuidium. It is close to Actinothuidium systematically.
 
The genus consists of two species. C.-Y. Yang (1936) first reported Abietinella abietina (Hedw.) Fleisch. from China followed by Potier de la Varde (1937) and C. Gao (1977). P.-C. Chen et al. (1978) reported A. hystricosa (Mitt.) Broth. from Guangdong Province, but we are unable to confirm this record.
 

 

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1. Abietinella C. Müll.  山羽藓属 shan-yu xian shu
Nuovo Giorn. Bot. Ital., n. ser. 3: 115. 1896.
 
Plants variable in size, depending on habitats, usually rather robust, up to 10 cm long, stout, yellowish green, not shining, in tufted lax cushions. Stems ascending, distinctly pinnately branched; paraphyllia dense, lanceolate or deeply lobed to filamentous; branches 1 cm long, apices usually obtuse, sometimes caudate; central strand present. Stem leaves and branch leaves differentiated; stem leaves cordate-ovate at base, gradually narrowed to a long lanceolate apex, multiplicate; margins grossly dentate; costa stout, vanishing at leaf apex; leaf cells oval-hexagonal to rhomboidal, coarsely unipapillose; branch leaves rather small, oblong-ovate, apices short. Dioicous. Inner perichaetial leaves ovate-lanceolate, deeply multiplicate. Setae slender, smooth; capsules cylindrical, arched; annuli present; opercula conic; peristome double; exostome teeth lanceolate, trabeculate, bordered; endostome segments nearly as long as the teeth; cilia absent. Calyptrae cucullate. Spores finely papillose.
 

 

 

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1. Leaves broadly ovate, with a short lanceolate apex; costa papillose on back...................1. A. abietina
1. Leaves ovate-lanceolate, with slender lanceolate apex; costa smooth on back.................2. A. hystricosa
 
 
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