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Publicado en: Flora 20: 285. 1837. (Flora) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Datos del Proyecto Nombre (Last Modified On 3/16/2009)
Aceptación : Accepted
Datos del Proyecto     (Last Modified On 3/16/2009)
General Reference:

Notas     (Last Modified On 3/16/2009)
general taxon notes:
There are about 28 accepted species of Ephemerum in the world, with most of the species occurring in North and South America. Eighteen of these species are considered better understood (Crosby et al. 2000). Two species were reported from China (Redfearn et al. 1996). Ephemerum asiaticum Broth. & Par. was first reported from Hainan (Paris 1901) and later by P.-J. Lin et al. (1994). We are unable to locate any specimen, and this record needs to be confirmed in the future. Only one species is now recognized in China.

 

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1. Ephemerum Hampe   夭命藓属   yao-ming xian shu
Flora 20: 285. 1837, nom. cons. Phascum sect. Ephemerum (Hampe) Ångstr. in Fries, Summa Veg. Scand. 1: 97. 1845.
 
Plants minute, protonemata abundant, usually in large patches on moist, disturbed soil. Stems very short and slender. Lower leaves small, ovate-lanceolate; upper leaves narrowly lanceolate to linear lanceolate; costa single, slender, nearly percurrent; upper and median leaf cells irregularly rhomboidal; basal cells larger, lax, thin-walled, rectangular. Dioicous, rarely polygamous; paraphyses absent. Setae very short; capsules globose, apiculate, without opercula. Calyptrae mitrate, lobed at base. Spores large, spherical, ca. 80 µm in diameter, coarsely papillose.
 
 
 

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Only one species is now recognized in China.

 1. Ephemerum apiculatum P.-C. Chen 
 
 
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