Aesculus flava yellow buckeye Hippocastanaceae AEFL(*); Bx, pb;

Aesculus_flava fruit_05_by_Line1.jcommons.wikimedia.orgpg

Aesculus flava fruit_05_by_Line1. commons.wikimedia.org (Accessed 7/2017).

Aesculus flava is a tree to 30 m tall, sometimes a large shrub. 

Leaves deciduous, opposite, palmately compound, leaflets 5, stalks 0.1-0.7 cm long, blades widest above middle, 10-15 cm long, margin finely toothed, veins straight, young leaves hairy below. 

Aesculus_flava, frontal_view_of_flower,I_SB10613. © Copyright Steve Baskauf, 2002-2011 · 4. discoverlife.org

Aesculus_flava, frontal_view_of_flower,I_SB10613. © Copyright Steve Baskauf, 2002-2011 · 4. discoverlife.org (Accessed 7/2017).

Flowers dull yellow, or whitish, with red markings, bilaterally symmetrical, sepals 5, lower halves fused, covered with tiny stalked glands; petals 4 overlapping, the larger two to 3 cm long, broad above, narrow at base, stamens 8; inflorescence 10-17 cm long; blooms May-June. 

Aesculus_flava fruit_05_by_Line1.jcommons.wikimedia.orgpg

Aesculus_flava fruit_05_by_Line1.jcommons.wikimedia.orgpg (Accessed7/2017).

Fruit a large 1-seeded, 3-parted, smooth capsule to 8 cm. 

Wetland status: NL. 

Frequency in New York City: Very infrequent. Native to sw. PA and south. 

Habitat: Escaped from cultivation.