Eupatorium capillifolium (Lam.) Small

  • 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

    Eupatorium capillifolium (Lam.) Small

  • Description

    Species Description - Coarse, the stems 5–20 dm, clustered on a thick, woody caudex, puberulent, or glabrate below, freely branched upward; lvs very numerous and narrow, delicate, glandular-punctate, glabrous, the lowest ones opposite, the others alternate, mostly 2–10 cm, often with axillary fascicles or with short, sterile, leafy axillary branches, the main ones pinnately divided into a few filiform segments mostly ca 0.5(–1.0) mm wide, those of the infl mostly simple; heads very numerous in an elongate true panicle; invol 2–3.5 mm, the inner bracts much longer than the outer, usually mucronate or abruptly acuminate; fls 3–6, white or chloroleucous; 2n=20. Open places, often in old fields and pastures; coastal states from N.J. to Fla., w. to Tex. and s. Ark., in our range wholly on the coastal plain. Sept., Oct.

  • Common Names

    dog fennel