KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Yellow Wild Indigo
Baptisia tinctoria
Family: Fabaceae

Protection Status:
State Status:  T
USFWS Status: 

Global Rank: G5
State Rank: S1S2

   

Photo by James Kiser
Habitat:
Sandhills, pine flatwoods, xeric woodlands, ridges, woodland edges, and roadbanks (Weakley 1998).

Species Description:
Reaches 1-3 feet in height and has clover-like leaves, and yellow flowers (Foster and Duke 1990). Racemes are numerous and leaves tend to be dark bluish-green (Rhoads and Block 2000).

Phenology:
Flowering Period: Early April to late August.
Fruiting Period: Early July to late November.

Additional Information at NatureServe

Diagnostic Characteristics:
Plants to 1 m, widely branched with leaflets 1-3 (soemtimes to 4) cm long, infloresences numerous, the flowers yellow and 8-16 mm long, pods small 8-15 m.

Management:
Timber removal may be beneficial if done without excessive soil disturbance (discing/chopping) and if immediate vicinity of plant is protected from debris and direct cutting etc. Hand removal of trees in the vicinity is needed to maintain the open character of the habitat for this species.Disturbance of surrounding slopes such as ATV trails or timber removal or any activity that results in increased erosion or weed invasion will be detrimental. Exotic pest plants are a threat to this species. Avoid creating access to the site through trail or road construction.

Global Range:
Baptisia tinctoria grows from Ontario and New England into the southern United States.

Known Kentucky Occurrences:
Species occurrence map

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Data Last Updated: November 2018
Office of Kentucky Nature Preserves
300 Sower Blvd
Frankfort,KY 40601
Phone: (502) 573-2886
Email:
naturepreserves@ky.gov
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