AESCULUS 

 Key to the Species 



MJ 



1. Flowers white, spotted with yellow and pur- 



ple, leaflets abruptly acuminate Ae. Hippo castanum 



2. Flowers yellow, leaves acuminate, bark fetid Ae. glabra 



Aesculus Hippocastanum Linne 1753 Horse-chestnut 



A medium-sized to large tree, 10-20 meters (30-65 feet) high, bark 

 brown, fissured into irregular, plate-like scales; leaves long-petioled, leaf- 



* II fleiculuf>Hippoca5Tar?ur7? 



lets 5-7 (sometimes 3), obovate, narrowed towards the base, abruptly acum- 

 inate at the apex, irregularly crenate-serrate, pubescent when young, gla- 

 brate when mature, 8-20 cm. long, 2.5-6 cm. wide, petioles 10-15 cm. 

 long; flowers numerous in large panicles, white, blotched with yellow, 



