Aesculus L.

Buckeye (en), Maronnier (fr), Marronnier (fr)

Genus

Angiosperms > Sapindales > Sapindaceae

Characteristics

Trees or shrubs, deciduous. Winter buds large, viscid resinous or not, with several pairs of imbricate scales; scales abaxially glabrous or sparsely puberulent. Leaf blade 5-11-foliolate; leaflet blades without scattered, conspicuous glands, margin crenate to serrate or compoundly so. Thyrse cylindric or conic; branches simple; bracts absent. Flowers often large and showy. Sepals connate to form a tubular to campanulate calyx tube. Petals often unequal, base clawed, limb obovate, oblong, oblanceolate, or spatulate. Ovary without a gynophore; style long, slender; stigma depressed globose, entire or obscurely lobed. Capsule depressed globose to pyriform, without a long gynophore, often 1-seeded; pericarp usually smooth, often dotted, rarely verrucose or prickly. Seeds depressed globose to pyriform, large (2-7 cm); testa brown; hilum large, pale, occupying 1/3-1/2 of seed. x = 20.
More
Deciduous trees or, less commonly, large shrubs, usually with large buds. Leaflets 5-7-(11). Infl. erect. Calyx always connate, tubular or campanulate, 5-toothed. Disc annular.
Sepals connate at least half their length to form a lobed tube; lvs deciduous, 5–11-foliolate. 13, N. Hemisphere.
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Hardiness (USDA) 4-9

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