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Published In: Species Plantarum 2: 1034. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/23/2011)
Acceptance : Accepted
Project data     (Last Modified On 2/2/2012)
Notes:

About 35 or more species, mainly in north-temperate regions.


 

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Tall trees. Buds mostly resiniferous, covered with scales. Leaves alternate, petiolate, broad, oblong to ovate or rhombic; stipules membranous, small, narrow. Catkins loose, appearing before leaves, the staminate ones mostly pendulous. Bracts generally lobed or incised, sometimes crenate. Pedicels distinct. Perianth reduced to a cup-like nectariferous disk. Stamens 4-30, even more; filaments free; anthers 2-celled, oblong to ovate. Ovary mostly sessile or subsessile, 1-celled, many-ovuled; style short; stigmas 2, entire or lobed. Capsule 2-3 (-4)-valved. Seeds small, many, ovoid or obovoid, with a tuft of long silky hairs arising from the funicle, dispersed by wind.

 

 
 
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