Hieracium longipilum Torr.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - Plant with a short stout caudex or crown; stem 6–20 dm, densely long-hairy below, the hairs mostly 1 cm or more, sometimes 2 cm, becoming glabrous or nearly so above; lvs pubescent like the stem, or the hairs shorter; basal and lower cauline lvs rather numerous, oblanceolate or narrowly elliptic, 9–30 × 1.5–4.5 cm, crowded, the lowest ones often deciduous, the others progressively reduced upwards, the upper half of the stem commonly naked or merely bracteate; infl elongate, cylindric, the branches and peduncles stellate, long-stipitate-glandular and sometimes sparsely setose; invol 7–10 mm, stellate-puberulent and hispid with blackish, mostly gland-tipped hairs; fls 40–90; achenes 3–4.5 mm, narrowed above. Dry prairies, open woods, and fields, especially in sandy soil; Mich. and Ind. to Minn., Kans., and Okla. July, Aug.
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Common Names
long-haired hawkweed