Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Blue Wild Indigo
Baptisia australis var. minor
Family: Fabaceae

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

Global Rank: G5T5
State Rank: S2S3

Glades, barrens, prairie patches and open woodland in Kentucky.

Species Description:
Perennial herb.

Flowering Period: Early April to late May.
Fruiting Period: Early June to late August.

Additional Information at NatureServe

Diagnostic Characteristics:
This plant has blue flowers which is unique among the Baptisia genus in Kentucky with the exception of its related variety. The difference between the two varieties is variety australis has a legume that is nearly symmetrical, 1.2-1/5 cm diameter and variety minor has legumes that are asymmetrical and 2-3 cm diameter. The variety minor is also typically associated with dry limestone habitats whereas the typcial variety australis is associated with river habitats.

Woody plant invasion may need to be controlled using periodic prescribed fire, mowing or other means. Timber removal (especially cedar invsions) may be beneficial . Hand removal of trees in the vicinity is needed to maintain the open character of the habitat for this species. Exotic pest plants are a threat to this species. Avoid creating access to the site through trail or road construction.

Global Range:

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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