Vascular Plants of North Carolina
Account for Cutleaf Meadow-parsnip - Thaspium pinnatifidum   (Buckley) A. Gray
Members of Apiaceae:
Members of Thaspium with account distribution info or public map:
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Section 6 » Order Apiales » Family Apiaceae
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Author(Buckley) A. Gray
DistributionPresent in the central and southern Mountains only, known from six counties from McDowell and Madison southwest to Swain and Macon.

This is a quite rare and range-limited species, occurring only from KY south to northern GA, being found only in those two states plus NC and TN.
AbundanceRare in the fairly tight region of occurrence in the Mountains. The NCNHP has 10 records, of which only 5 appear to be current. This is a State Endangered species. Note that the Global Rank is a very rare G2G3.
HabitatThis species is limited to sites with quite high pH soil, essentially over limestone in NC. It can grow in rich forests or in rather dry forests and roadbanks or wooded borders.
See also Habitat Account for Montane Calcareous Barrens and Woodlands
PhenologyBlooms in May and June, and fruits in June and July.
IdentificationThis is the only white-flowered Thaspium species in NC, and thus this rare species needs to be carefully separated from other white-flowered umbels in other genera. It grows to about 2-2.5' tall, with branches in the upper portions. The basal and stem leaves are 2-3-pinnately divided, but the leaflets are quite narrow and rounded, like tiny fingers, with no hyaline margins. The 3-6 umbels are white or creamy-white in color. As this species is limited in the state essentially to high pH areas over limestone, it should not be overly difficult to identify from others, as its very lacy-leaved appearance -- almost looking like Annual Ragweed (Ambrosia artemisiifolia) -- is distinctive.
Taxonomic CommentsNone

Other Common Name(s)Glade Meadow-parsnip
State RankS1
Global RankG2G3
State StatusE
US Status
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