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Published In: Species Plantarum 1: 225. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/26/2011)
Acceptance : Accepted
Project data     (Last Modified On 2/2/2012)
Notes:

About 30 species in north-temperate regions and in mountains of tropical  Asia.


 

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Trees. Leaves alternate, unequal at base; stipules scarious, soon deciduous. Flowers generally hermaphrodite or partly also unisexual, yellowish-green, arising from one-year-old twigs, arranged in fascicles and appearing before leaves. Perianth more or less campanulate, marcescent, of (3-) 5 (-9) segments. Stamens as many as segments; filaments inserted at base of perianth, later exserted. Ovary usually 1-celled, compressed, with short style and 2 pubescent stigmas. Fruit a compressed samara, notched at tip of wing. Seeds with straight embryo and without endosperm.

 

 
 
 
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