Kentucky Nature Preserves Rare Plants


 
Kentucky State Nature Preserves Commission





Canada Frostweed
Helianthemum canadense
Family: Cistaceae

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

Global Rank: G5
State Rank: S1?

P
Habitat:
Open oak woods and oak pine woodlands, clearings, barrens, also reported from prairies.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Early April to late May.

Additional Information at NatureServe

Diagnostic Characteristics:
This delicate plant has leaves that are small (ca 3 cm x 6 mm), alternate and white from the dense stellate hairs beneath. It occurs in pine barrens in Kentucky although it could also be found in dry sandy woods. Stems are generally clustered together and erect. The more conspicuous flowers are yellow with 5 petals and over 1 cm across.

Management:
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 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:
{null}

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
Email:
naturepreserves@ky.gov
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