Coreopsis palmata Nutt.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Asteraceae

• Scientific Name

  Coreopsis palmata Nutt.

• Description

  Species Description - Rhizomatous perennial 4–9 dm, glabrous except for the scabro-ciliate lf-margins and sometimes hairy nodes; lvs rather numerous, firm, narrow, 3–8 cm, essentially sessile, deeply trilobed at or somewhat below the middle, the lobes linear-oblong, 2–7 mm wide, the central one sometimes again lobed; heads few or solitary, short-pedunculate, the disk yellow, 8–15 mm wide; outer invol bracts 8–12, linear-oblong, nearly equaling the much wider and thinner, broadly rounded or obtuse inner ones; rays 1.5–3 cm, yellow; receptacular bracts linear-clavate, acutish; disk-cors 5- toothed; style appendages cuspidately acute; achenes 5–6.5 mm, narrowly winged; pappus obsolete or of 2 callous teeth; 2n=26. Prairies and open woods; Mich. to Man. s. to La. and Tex. June, July.

• Common Names

  finger-tickseed