Conioselinum chinense (L.) Britton, Sterns & Poggenb.
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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 - Stout to very slender, 4–15 dm; lf-blades deltoid, the larger 1–2 dm, on elongate petioles, mostly 2–3 times compound, the upper once or twice compound, on short, broadly winged petioles; lfls lanceolate to ovate, 1.5–4 cm, pinnatifid; umbels few, 3–12 cm wide, long-peduncled; rays and pedicels many; fr elliptic or oblong, 2.5–4.5 mm; 2n=44. Swamps, bogs, and wet meadows; Lab. and Nf. to Minn., s. to Pa., Ind., and Io., and in the mts. to N.C. Aug., Sept.