Aesculus carnea Hayne, Verz. Gew. Gart. Schwezingen 12 1818. (syn: Aesculus floribunda Hort. ex Dippel; Aesculus rubicunda Lodd.; Aesculus spectabilis Hort. ex Dippel; Hippocastanum rubicundum Raf.; Pavia rubicunda “Lodd.” ex Dippel; Pawia rubicunda (Lodd. ex Dippel) Kuntze); 
USA (Kentucky), Europe (I), Slovakia (I) as per Catalogue of Life;
 

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Tree for ID: EU-ARKSEP03 : 10 posts by 3 authors. Attachments (5)
Horse chestnut trees were in full bloom in many cities. They are planted as avenue trees. White and pink varieties were seen.
Are these Aesculus hippocastanum? Both white and pink?


Attaching some additional pics of the tree and the fruit. Kindly validate. Attachments (6) 


Aesculus hippocastanum (Horse Chestnut)


Not seen such a variation in colour. Plant List gives a number of varieties/subspecies, see http://www.theplantlist.org/tpl1.1/search?q=Aesculus+hippocastanum


This might be a hybrid with A. indica – see: http://www.forestry.gov.uk/forestry/infd-74sj7v for some useful information.



 

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Aesculus x carnea from Fremont California-GS02022020-3 : 2 posts by 2 authors. Attachments (4)
Aesculus x carnea Heyh.

Common names: red horse-chestnut 
artificial hybrid between A. pavia (red buckeye) and A. hippocastanum (horse-chestnut). with five leaflets up to 15 cm long and deep rosy flowers, much larger than similar A. pavia and with spreading petals.
Photographed from Fremont, California, April 24, 2020. 

References:

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