Ratibida columnifera (Nutt.) Wooton & Standl.

  • 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

    Ratibida columnifera (Nutt.) Wooton & Standl.

  • Description

    Species Description - Taprooted, with clustered stems 3-12 dm, strigose or partly hirsute, generally leafy to above the middle; lvs pinnatifid or partly bipinnatifid, the ultimate segments linear or lanceolate, entire or nearly so, relatively few and often very unequal, generally many of or all them 1.5 cm or more; heads (1-)several or many, naked-pedunculate, the disk columnar, 1.5-4.5 cm, 2-4.5 times as long as thick; rays yellow or (f. pulcherrima (DC.) Fernald) partly or wholly brown- purple, 1-3.5 cm, spreading or reflexed; style-appendages very short and blunt; achenes with the inner margin fringed-ciliate to nearly smooth, usually slightly winged; pappus an evident awn-tooth on the inner angle of the achene, and often also a shorter one on the other angle; 2n=26, 27, 28, 34-38. Prairies and other dry, open places; Minn. to Mo. and La., w. to Mont., Tex., and n. Mex., and occasionally intr. e. June-Aug. Taprooted, with clustered stems 3-12 dm, strigose or partly hirsute, generally leafy to above the middle; lvs pinnatifid or partly bipinnatifid, the ultimate segments linear or lanceolate, entire or nearly so, relatively few and often very unequal, generally many of or all them 1.5 cm or more; heads (1-)several or many, naked-pedunculate, the disk columnar, 1.5-4.5 cm, 2-4.5 times as long as thick; rays yellow or (f. pulcherrima (DC.) Fernald) partly or wholly brown- purple, 1-3.5 cm, spreading or reflexed; style-appendages very short and blunt; achenes with the inner margin fringed-ciliate to nearly smooth, usually slightly winged; pappus an evident awn-tooth on the inner angle of the achene, and often also a shorter one on the other angle; 2n=26, 27, 28, 34-38. Prairies and other dry, open places; Minn. to Mo. and La., w. to Mont., Tex., and n. Mex., and occasionally intr. e. June-Aug.

  • Common Names

    columnar coneflower