Hieracium longipilum |
Hieracium longiberbe |
|
---|---|---|
hairy hawkweed, longbeard hawkweed |
long-bearded hawkweed, longbeard hawkweed |
|
Habit | Plants 30–75(–200) cm. | Plants 25–50+ cm. |
Stems | proximally piloso-hirsute (hairs 6–15+ mm), distally piloso-hirsute (hairs 3–10+ mm), sometimes stellate-pubescent as well. |
proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm). |
Leaves | basal 3–8+, cauline (3–)6–12+; blades oblanceolate, 45–80(–250+) × 12–30(–40+) mm, lengths 4–7+ times widths, bases cuneate, margins entire, apices rounded to acute, faces piloso-hirsute (hairs 3–8+ mm). |
basal 0(–3+), cauline 6–12+; blades spatulate to oblanceolate, 25–80(–100+) × 8–15(–25+) mm, lengths 3–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices obtuse to acute, abaxial faces piloso-hirsute (hairs 2–5+ mm), adaxial usually piloso-hirsute at margins (hairs 2–5+ mm), rarely glabrous. |
Peduncles | stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. |
usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
Involucres | campanulate, 6–8(–10) mm. |
campanulate, 7–10 mm. |
Florets | 30–40(–60); corollas yellow, ca. 7 mm. |
12–24+; corollas yellow, 7–12 mm. |
Phyllaries | 12–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular. |
12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent. |
Calyculi | bractlets 9–13+. |
bractlets 9–13+. |
Heads | 10–20+ in paniculiform to nearly racemiform arrays. |
(3–)6–12+ in corymbiform arrays. |
Cypselae | urceolate, 3–4+ mm; pappi of 35–40+, stramineous to sordid bristles in 2+ series, 5.5–6.5 mm. |
columnar, ca. 3.5 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm. |
Hieracium longipilum |
Hieracium longiberbe |
|
Phenology | Flowering Jul–Sep. | Flowering Jul. |
Habitat | Fields, prairies, roadsides | Cliffs |
Elevation | 100–400 m (300–1300 ft) | 30–100 m (100–300 ft) |
Distribution |
AR; IA; IL; IN; KS; KY; LA; MI; MN; MO; NE; OH; OK; TN; TX; WI; ON
|
OR; WA
|
Discussion | Hieracium longipilum may be no longer present in Quebec. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Hieracium longiberbe is known only from along the Columbia River. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 285. | FNA vol. 19, p. 289. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Name authority | Torrey ex Hooker: Fl. Bor.-Amer. 1: 298. (1833) | Howell: Fl. N.W. Amer., 395. (1901) |
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