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Published In: Species Plantarum 2: 1054. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution : A genus of about 120 species; represented in Pakistan by 8 species of which 2 are cultivated.

 

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1 Leaves simple, entire or lobed (2)
+ Leaves pinnately compound, usually trifoliolate Acer negundo
2 (1) Leaves palmately lobed, deciduous (3)
+ Leaves unlobed, ovate-lanceolate, persistent Acer oblongum
3 (2) Leaf margin serrate; lobes 3-5; petiole sap clear (6)
+ Leaf margin entire, lobes 5-7; petiole sap milky (4)
4 (3) Primary lobes of leaves acuminate, margin not ciliate (5)
+ Primary lobes of leaves rounded to acute, margin often ciliate Acer campestre
5 (4) Trees small; twigs 2-5 mm thick. Leaves mostly 3-lobed, 4-8 cm across. Inflorescence lateral (7)
+ Trees tall; twigs stout, 5-8 mm thick. Leaves mostly 5-lobed, 8-15 cm across. Inflorescence terminal Acer caesium
6 (3) Leaf lobes triangular, acute or blunt; margins subentire to remotely crenate-subserrate Acer pentapomicum
+ Leaf lobes caudate-acuminate; margins acutely serrate Acer acuminatum
 
 
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