Aesculus glabra Willd.

Ohio buckeye (en), Marronnier glabre (fr)

Species

Angiosperms > Sapindales > Sapindaceae > Aesculus

Characteristics

A tree which grows to 20 m high. The trunk can be 50 cm across. The bark is grey but becomes brown with age. It becomes rough and scaly with plates. The twigs, bark, flowers and leaves all produce a bad smell if crushed. The leaves have 5-7 leaflets on a central stalk. The leaflets are 6-15 cm long. They taper to a point. They have uneven teeth. They are yellowish-green on the upper surface and are paler and hairy underneath. They turn orange-yellow in autumn. The leaf scars are horse shoe shaped. There are 3 vein scars. The flowers are 15-35 mm long and bell shaped. They have 4 yellowish-green petals. The fruit are 25-50 mm long and light brownish-green. They are covered with blunt spines. There are 1-3 seeds. These are 20-35 mm wide.
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Small tree to 15 m; lfls 5(–7), bright or yellowish-green, oblanceolate to obovate, 6–16 × 3–6 cm, acute or acuminate, serrate, with conspicuous tufts of hair in the vein-axils beneath; infls 1–1.5 dm; cal 5–8 mm; pet 4, greenish-yellow, 1–2 cm, the 2 uppermost oblanceolate, slightly exceeding the 2 lateral, gradually tapering to the claw, the lateral with elliptic-oblong to elliptic-ovate blade and slender claw; stamens 7, often twice as long as the cor; fr generally echinate, 3–4 cm thick; 2n=40. Moist but fairly well drained, chiefly alluvial, often calcareous soil; w. Pa. to s. Ont., s. Wis., Io., and Kans., s. to Tenn., n. Ala., Ark., and Tex. Apr., May. Our plants, as here described, are var. glabra.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 20.0
Root system -
Rooting depth (meter) 1.1
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows naturally in moist places in South-eastern and Central North America. It does best in a deep loamy well drained soil. It does best in cool, moist places like river valley bottoms. It is frost resistant but sensitive to drought. It suits hardiness zones 4-9.
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Usually found in rich, moist sites such as river bottoms and streambank soils, but it is sometimes also found on drier sites though does not grow so well there.
Light 3-8
Soil humidity 4-6
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

CAUTION: This plant contains saponins which although poisonous are not normally easily absorbed by the body. It is nevertheless probably no wise to eat large quantities. The seeds are eaten cooked. Before eating they are slowly roasted then crushed and washed for 2-5 days in running water. They are then dried and ground into a powder.
Uses environmental use material medicinal poison wood
Edible saps seeds
Therapeutic use Antirheumatic (External) (unspecified), Ear Medicine (unspecified), Poison (unspecified), Fever (unspecified), Nervine (unspecified), Stimulant (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Trees can be grown from seed. Fresh seed which has not been allowed to dry out should be used. Seed germinates quickly. Trees transplant fairly easily.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) 3
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Aesculus glabra habit picture by Sandra Berry (cc-by-sa)
Aesculus glabra habit picture by Sandra Berry (cc-by-sa)
Aesculus glabra habit picture by yangsheng zhang (cc-by-sa)

Leaf

Aesculus glabra leaf picture by Cam C (cc-by-sa)
Aesculus glabra leaf picture by Elijah Jay (cc-by-sa)
Aesculus glabra leaf picture by Elijah Jay (cc-by-sa)

Flower

Aesculus glabra flower picture by Herrera Juan (cc-by-sa)
Aesculus glabra flower picture by Jeff Collins (cc-by-sa)
Aesculus glabra flower picture by Herrera Juan (cc-by-sa)

Fruit

Aesculus glabra fruit picture by Thomas Grabowski (cc-by-sa)
Aesculus glabra fruit picture by gene jones (cc-by-sa)
Aesculus glabra fruit picture by A.R. Johnson (cc-by-sa)

Distribution

Aesculus glabra world distribution map, present in Canada and United States of America

Conservation status

Aesculus glabra threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:30124420-2
WFO ID wfo-0000522275
COL ID 65BZW
BDTFX ID 120969
INPN ID 80339
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Ozotis trifoliata Pavia ohioensis Pavia pallida Pawia pallida Pavia glabra Aesculus glabra Aesculus ochroleuca Aesculus ohioensis Aesculus pallida Nebropsis verrucosa Aesculus muricata Aesculus rosea Aesculus rubella Hippocastanum carneum Aesculus glabra f. glabra Nebropsis ochroleuca Nebropsis muricata Nebropsis glabra Aesculus rubicunda Pawia glabra Aesculus glabra f. pallida Aesculus echinata Aesculus verrucosa Aesculus watsoniana Hippocastanum rubicundum Aesculus glabra var. leucodermis Aesculus glabra var. micrantha Aesculus glabra var. monticola Aesculus glabra var. sargentii Nebropsis pallida Aesculus glabra var. glabra Pavia watsoniana

Lower taxons

Aesculus glabra var. arguta