Vascular Plants of North Carolina
Account for Hairy-jointed Meadow-parsnip - Thaspium barbinode   (Michaux) Nuttall
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Section 6 » Order Apiales » Family Apiaceae
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Author(Michaux) Nuttall
DistributionThroughout the Mountains and Piedmont; sparingly in the southern half of tht Coastal Plain.

This is an Eastern species, ranging from NY and southern MN, south to northern FL and eastern TX.
AbundanceGenerally common in the Mountains and Piedmont; rare in the southern and central Coastal Plain, but likely absent from the Sandhills proper, and absent from the eastern counties.
HabitatThis is a species of moist to rich forests, usually under a deciduous forest canopy. It grows in cove forests, mesic forests, and into bottomlands.
PhenologyBlooms in April and May, and fruits from July to September.
IdentificationThis is one of five serrate-leaved yellow-flowered umbels of rich forests (Thaspium and Zizia species) that are easily confused, even by biologists. This species is a fairly large one, growing to 2-2.5' tall, branched above, with large alternate leaves. The leaves are usually twice pinnate, the leaflets being lanceolate to ovate in shape, about 2" long and about 3/4" wide, very coarsely and irregularly serrated. The leaflet margins are green and leafy and do not have a hyaline (thin and clear) margin. There are usually 3-6 umbels per stem, on stalks about 2-3" tall. There are 5-10 rays (and umbellets) that are spreading and about 1" long. This species should be separated from the other four in this group by having its basal leaves also 2-3-pinnate, like the stem leaves, very strongly serrated leaves, and lack of a hyaline margin on the leaflets. (Normally, a leaflet with a hyaline margin feels thick or coriaceous as opposed to thin, leafy, and easily torn as is found in T. barbinode.)
Taxonomic CommentsNone

Other Common Name(s)None. The predominant common name is quite long and awkward, but there is no better name in use. The Thaspium species as a group are named as "meadow-parsnip".
State RankS5
Global RankG5
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