Kentucky Nature Preserves Rare Plants


 
Kentucky State Nature Preserves Commission





Cutleaf Meadow-parsnip
Thaspium pinnatifidum
Family: Apiaceae

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

Global Rank: G2G3
State Rank: S2S3

P
Habitat:
Dry mesic forests with limestone outcropping.

Species Description:
Perennial herb.

Phenology:
Flowering Period: Early May to late July.

Additional Information at NatureServe

Diagnostic Characteristics:
This species of Thaspium has highly divided leaf so that the leaflets are linear to oblong, the ultimate segments are less than 2 cm wide. The fruit are pubescent and 3-4 mm long. It is distinguished from Zizia, which they resemble, in having all flowers stalked, winged fruits and twice-pinnate or ternate pinnate leaves. Also the flowers are yellow but not bright yellow as is typical of Zizia.

Management:
Tree removal could be detrimental because of resulting changes in light and moisture conditions.

Global Range:
Kentucky south to Alabama and Georgia and also in western North Carolina (Kartesz 1999, Weakley 2000).

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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