Hieracium aurantiacum |
Hieracium robinsonii |
|
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devil's paintbrush, fox-and-cubs, grim-the-collier, King-devil, orange flower hawkweed, orange hawkweed, tawny hawkweed, épervière orangée |
Robinson's hawkweed |
|
Habit | Plants 15–35(–60+) cm. | Plants 10–35+ cm. |
Stems | proximally piloso-hirsute (hairs 2–4+ mm), distally piloso-hirsute (hairs 1–4 mm) and stipitate-glandular. |
proximally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, distally piloso-hirsute (hairs 0.5–1+ mm) and stellate-pubescent. |
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 2–4, cauline (2–)4–10; blades (often purple-mottled) oblong to lanceolate, 20–80 × 7–20+ mm, lengths 3–4 times widths, bases cuneate, margins usually dentate, sometimes entire, apices acute to acuminate, abaxial faces glabrous or piloso-hirsute (especially midribs), adaxial glabrous or stellate-pubescent. |
Peduncles | stellate-pubescent and stipitate-glandular. |
piloso-hirsute and stellate-pubescent (not, or rarely, stipitate-glandular). |
Involucres | campanulate, 6–8 mm. |
campanulate to obconic, 10–15 mm. |
Florets | 25–120+; corollas orange (drying scarlet to purplish), 10–14+ mm. |
30–50+; corollas yellow (lengths unknown). |
Phyllaries | 13–30+, apices acuminate, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
25–35, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular. |
Calyculi | bractlets 5–8+. |
bractlets 10–16. |
Heads | 3–7(–12+) in ± umbelliform arrays. |
1–5(–10) in ± corymbiform arrays. |
Cypselae | columnar, 1.2–1.5(–2) mm; pappi of 25–30+, white bristles in 1 series, 3.5–4 mm. |
columnar, 3–5 mm; pappi of ca. 30, stramineous bristles in ± 2 series, ca. 6 mm. |
Hieracium aurantiacum |
Hieracium robinsonii |
|
Phenology | Flowering (May–)Jun–Aug(–Sep). | Flowering Jul–Aug. |
Habitat | Disturbed sites (fields, lawns, roadsides), bogs, clays, sands | Stream banks and lake shores, sands and clays, rock crevices |
Elevation | 10–300(–1000+) m (0–1000(–3300+) ft) | 10–300+ m (0–1000+ 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]
|
ME; NH; NB; NF; NS; QC |
Source | FNA vol. 19, p. 283. | FNA vol. 19, p. 291. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | Pilosella aurantiaca | H. smolandicum subsp. robinsonii |
Name authority | Linnaeus: Sp. Pl. 2: 801. (1753) | (Zahn) Fernald: Rhodora 45: 317. (1943) |
Web links |
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