Thaspium pinnatifidum (Buckley) A.Gray
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Apiaceae
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Scientific Name
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Description
Species Description - Stems to 8 dm, minutely puberulent at the nodes; basal and principal cauline lvs twice pinnate or ternate-pinnate; lfls 1–3 cm, deeply lobed or divided into linear or narrowly oblong segments; umbels 2–5 cm wide; bractlets narrowly linear, attenuate, 3–6 mm, mostly longer than the pedicels; fls yellow; fr ± puberulent, ellipsoid, 3–4 mm, narrowly winged; 2n=22. Mt. woods; N.C., Tenn., s. Va., and Ky., and rep from sw. O. June.
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Common Names
mountain meadow-parsnip