KNP Rare Plants Database

KY Office of Kentucky Nature Preserves

Hairy Snoutbean
Rhynchosia tomentosa
Family: Fabaceae

Protection Status:
State Status:  E
USFWS Status: 

Global Rank: G5
State Rank: S1S2


Photo by B. Eugene Wofford @ TENN
Xeric woodlands and forests, sandhills, edges, open areas (Weakley 1998); barrens; in KY, reported near a seepage swamp.

Species Description:
Perennial herb.

Flowering Period: Early June to late August.
Fruiting Period: Early August to late October.

Additional Information at NatureServe

Diagnostic Characteristics:
Differs from other legumes in having broadly ovate (3.5-7 cm) and densely pubescent leaves. Legume dehiscent, glandular pubescent and 1.2-2.5 cm long. Petals yellow and 1 cm long. The stem is erect is pubescent with short ascending hairs.

Woody plant invasion may need to be controlled using periodic prescribed fire, mowing or other means to maintain the open character of the habitat for this species. Hand removal of trees in the vicinity of the species is necessary. Soil disturbance resulting from activities such as ATV trails, timber removal or any activity that results in increased erosion and weed invasion will be detrimental. Exotic pest plants are a threat to this species and should be removed.

Global Range:

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
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