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devil's paintbrush, fox-and-cubs, grim-the-collier, King-devil, orange flower hawkweed, orange hawkweed, tawny hawkweed, épervière orangée

alpine hawkweed

Habit Plants 15–35(–60+) cm. Plants 10–15(–25+) cm.
Stems

proximally piloso-hirsute (hairs 2–4+ mm), distally piloso-hirsute (hairs 1–4 mm) and stipitate-glandular.

proximally piloso-hirsute (hairs 3–5+ mm), stellate-pubescent, and stipitate-glandular, distally piloso-hirsute (hairs 3–5+ 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 5–13+, cauline 0(–2+);

blades spatulate to elliptic or narrowly lanceolate, 20–80 × 6–20+ mm, lengths 2–8+ times widths, bases cuneate, margins usually entire, rarely dentate, apices rounded to acute, faces piloso-hirsute (hairs 1–3+ mm).

Peduncles

stellate-pubescent and stipitate-glandular.

piloso-hirsute, stellate-pubescent, and stipitate-glandular.

Involucres

campanulate, 6–8 mm.

± hemispheric, 13–18 mm.

Florets

25–120+;

corollas orange (drying scarlet to purplish), 10–14+ mm.

80–120+;

corollas yellow, 12–15 mm.

Phyllaries

13–30+, apices acuminate, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

13–21+, apices acute to acuminate, abaxial faces piloso-hirsute and stipitate-glandular.

Calyculi

bractlets 5–8+.

bractlets 5–8+.

Heads

3–7(–12+) in ± umbelliform arrays.

borne singly or 2+ 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, 3.5–4 mm;

pappi of 40–60+, stramineous bristles in ± 2 series, 6–7 mm.

Hieracium aurantiacum

Hieracium alpinum

Phenology Flowering (May–)Jun–Aug(–Sep). Flowering Jul(–Sep).
Habitat Disturbed sites (fields, lawns, roadsides), bogs, clays, sands Calcareous stream banks
Elevation 10–300(–1000+) m (0–1000(–3300+) ft) 0–10+ m (0–0+ ft)
Distribution
from FNA
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]
[WildflowerSearch map]
[BONAP county map]
from USDA
Greenland; Europe
[BONAP county map]
Discussion

The type of Hieracium trigonophorum Oskarsson is probably conspecific with that of H. alpinum.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 19, p. 283. FNA vol. 19, p. 291.
Parent taxa Asteraceae > tribe Cichorieae > Hieracium Asteraceae > tribe Cichorieae > Hieracium
Sibling taxa
H. abscissum, H. albiflorum, H. alpinum, H. argutum, H. bolanderi, H. brevipilum, H. caespitosum, H. carneum, H. crepidispermum, H. fendleri, H. flagellare, H. greenei, H. gronovii, H. horridum, H. lactucella, H. longiberbe, H. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. scabrum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
H. abscissum, H. albiflorum, H. argutum, H. aurantiacum, H. bolanderi, H. brevipilum, H. caespitosum, H. carneum, H. crepidispermum, H. fendleri, H. flagellare, H. greenei, H. gronovii, H. horridum, H. lactucella, H. longiberbe, H. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. scabrum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
Synonyms Pilosella aurantiaca H. angmagssalikense
Name authority Linnaeus: Sp. Pl. 2: 801. (1753) Linnaeus: Sp. Pl. 2: 800. (1753)
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