Hieracium paniculatum L.

• 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

  Hieracium paniculatum L.

• Description

  Species Description - Stems solitary (2) from a short caudex or crown, 3–15 dm, long-hairy below, otherwise glabrous or nearly so, leafy up to the infl; lvs thin, glabrous or with a few long hairs on the persistently glaucous lower surface, irregularly callous-toothed or subentire, the lowest ones petiolate, only slightly if at all enlarged, mostly soon deciduous, the others elliptic, often narrowly so, narrowed to a sessile or subsessile base, only gradually reduced upward, 4–12 × 1–2 cm; infl open-paniculiform, with long, flexuous, very slender peduncles, these, like the invol, glabrous or occasionally with some gland-tipped hairs; invol narrow, 5–9 mm; fls 8–30; achenes truncate, 1.8–2.5 mm; 2n=18. Woods; N.S. and Que. to Minn., s. to Va., O., and in the mts. to n. Ga. July–Sept. H. ×allegheniense Britton is a hybrid with no. 16 [Hieracium gronovii L.].

• Common Names

  panicled hawkweed