Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Allegheny Chinkapin
Castanea pumila
Family: Fagaceae

Protection Status:
State Status:  T
USFWS Status: {null}

Global Rank: G5
State Rank: S2

Xeric forests and woodlands, generally in fire-maintained habitats (Weakley 2011); dry or moist acid soil (Gleason and Cronquist 1991).

Species Description:
Shrub to small tree.

Flowering Period: Early May to late July.
Fruiting Period: Early September to late October.

Additional Information at NatureServe

Diagnostic Characteristics:
Toothed leaves, usually densely hairy beneath, and smooth brown nuts borne in very prickly burs about 1 and 1/2 inches across. Easily distinguished from C. dentata by leaves that are smaller and pubescent and fruits that are smaller and with one nut per fruit.

Any activity that results in increased soil disturbance, weed invasion or erosion would be detrimental to this species. Changes in light conditions, especially shading, could also cause degrade the habitat for this species.

Global Range:
Var. pumila: southern New Jersey and Pennsylvania, south to central Florida, west to eastern West Virginia, southern Ohio, eastern Kentucky, Tennessee, Arkansas, eastern Oklahoma, and eastern Texas; also reported from Missouri, New York, and Massachussetts. Var. ozarkensis: almost entirely restricted to northwestern Arkansas, southern Missouri, and eastern Oklahoma; also reported from Alabama, Louisiana, and Mississippi. Var. pumila is uncommon within the range of var. ozarkensis.

Known Kentucky Occurrences:

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Data last updated: Wednesday, May 28, 2014
Kentucky State Nature Preserves Commission
801 Teton Trail
Frankfort,KY 40601
Phone: (502) 573-2886
Fax: (502) 573-2355
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