Hieracium aurantiacum |
Hieracium flagellare |
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devil's paintbrush, fox-and-cubs, grim-the-collier, King-devil, orange flower hawkweed, orange hawkweed, tawny hawkweed, épervière orangée |
flagellate hawkweed, hawkweed, whip hawkweed |
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Habit | Plants 15–35(–60+) cm. | Plants 5–12(–20+) cm. |
Stems | proximally piloso-hirsute (hairs 2–4+ mm), distally piloso-hirsute (hairs 1–4 mm) and stipitate-glandular. |
proximally piloso-hirsute (hairs 2–4+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 1–4 mm), stellate-pubescent, and stipitate-glandular. |
Leaves | basal 3–8+, cauline 0(–1+); blades spatulate to oblanceolate, 45–70(–160+) × 10–35 mm, lengths 3–5+ times widths, bases cuneate, margins entire, apices acute, faces piloso-hirsute (hairs 1–2+ mm) and stellate-pubescent. |
basal 8–12+, cauline 0(–2+); blades spatulate to oblanceolate, 20–45(–130+) × 8–20(–25+) mm, lengths 2–3+ times widths, bases cuneate, margins entire, apices rounded to acute, abaxial faces piloso-hirsute (hairs 1–4+ mm) and stellate-pubescent, adaxial piloso-hirsute (hairs 1–4+ mm). |
Peduncles | stellate-pubescent and stipitate-glandular. |
piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
Involucres | campanulate, 6–8 mm. |
hemispheric, (9–)12–13 mm. |
Florets | 25–120+; corollas orange (drying scarlet to purplish), 10–14+ mm. |
90–120+; corollas yellow (often each with abaxial red stripe), 6–10+ mm. |
Phyllaries | 13–30+, apices acuminate, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
30–40, apices acuminate, abaxial faces stellate-pubescent, sometimes, piloso-hirsute and stipitate-glandular as well. |
Calyculi | bractlets 5–8+. |
bractlets 13–15+. |
Heads | 3–7(–12+) in ± umbelliform arrays. |
2–4+ in ± umbelliform to corymbiform arrays. |
Cypselae | columnar, 1.2–1.5(–2) mm; pappi of 25–30+, white bristles in 1 series, 3.5–4 mm. |
columnar, 1–2.5 mm; pappi of 25–40+, white bristles in 1 series, 4–5+ mm. |
Hieracium aurantiacum |
Hieracium flagellare |
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Phenology | Flowering (May–)Jun–Aug(–Sep). | Flowering May. |
Habitat | Disturbed sites (fields, lawns, roadsides), bogs, clays, sands | Disturbed sites, roadsides, forest edges |
Elevation | 10–300(–1000+) m (0–1000(–3300+) ft) | 10–300(–600+) m (0–1000(–2000+) ft) |
Distribution |
AK; AR; CA; CO; CT; FL; GA; IA; ID; IL; IN; KY; MA; MD; ME; MI; MN; MT; NC; NH; NJ; NY; OH; OR; PA; RI; SD; TN; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NL; NS; ON; PE; QC; SK; SPM; Europe [Introduced in North America]
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CT; IN; MA; ME; MI; NH; NY; OH; PA; VA; VT; BC; NB; NS; PE; QC; Europe [Introduced in North America]
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Discussion | The type of Hieracium flagellare may have resulted from a cross between plants of H. caespitosum and H. pilosella (A. Cronquist 1980). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 19, p. 283. | FNA vol. 19, p. 284. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | Pilosella aurantiaca | H. flagellare var. amauracron, H. flagellare var. cernuiforme, H. flagellare var. pilosius, Pilosella flagellaris |
Name authority | Linnaeus: Sp. Pl. 2: 801. (1753) | Willdenow: Enum. Pl., suppl.: 54. (1814) |
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