Coreopsis grandiflora Hogg

  • Authority

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

  • Family


  • Scientific Name

    Coreopsis grandiflora Hogg ex Sweet

  • Description

    Species Description - Similar to no. 3 [Coreopsis lanceolata L.], occasionally annual, often taller (to 1 m), leafy nearly to the summit, the 1–many slender peduncles 0.5–2 dm, seldom more than half as long as the leafy part of the stem; lvs mostly pinnatifid into linear-filiform to narrowly lanceolate segments, the lateral lobes rarely more than 5 mm wide, the terminal one sometimes to 1 cm; outer bracts lance-subulate; rays averaging a little smaller; achenes often with a large callous ventral excrescence at top and bottom; 2n=26 + 0–4 B. Native to se. U.S., escaped from cult. and ± established in much of our range, especially southward. May, June. Ours is the widespread var. grandiflora.

  • Common Names