The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

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

hound-tongue hawkweed, hounds tongue hawkweed, hounds-tongue hawkweed (var. griseum), Scouler's hawkweed, Scouler's woollyweed, western hawkweed, western hawkweed (var. albertinum), woolly weed, woolly-weed (var. scouleri)

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

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

proximally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, sometimes glabrous, distally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, rarely stipitate-glandular as well, sometimes glabrous.

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 0(–5+), cauline (3–)5–10+;

blades lanceolate, oblanceolate or narrowly oblong to elliptic, 50–100(–200) × 10–25(–35+) mm, lengths (3–)4–8+ times widths, bases cuneate, margins entire or denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, rarely glabrous.

Peduncles

stellate-pubescent and stipitate-glandular.

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous.

Involucres

campanulate, 6–8 mm.

campanulate, 8–10 mm.

Florets

25–120+;

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

20–45+;

corollas yellow, 10–12 mm.

Phyllaries

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

12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

Calyculi

bractlets 5–8+.

bractlets 5–13+.

Heads

3–7(–12+) in ± umbelliform arrays.

(3–)9–25+ in corymbiform to thyrsiform arrays.

Cypselae

columnar, 1.2–1.5(–2) mm;

pappi of 25–30+, white bristles in 1 series, 3.5–4 mm.

(red-brown or black) columnar, ca. 3 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm.

Hieracium aurantiacum

Hieracium scouleri

Phenology Flowering (May–)Jun–Aug(–Sep). Flowering Jun–Sep.
Habitat Disturbed sites (fields, lawns, roadsides), bogs, clays, sands Disturbed sites, openings in pine forests and sagebrush, borders of meadows
Elevation 10–300(–1000+) m (0–1000(–3300+) ft) 400–3000 m (1300–9800 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 FNA
CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 283. FNA vol. 19, p. 289.
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. alpinum, 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. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
Synonyms Pilosella aurantiaca H. absonum, H. albertinum, H. chapacanum, H. cynoglossoides, H. scouleri var. albertinum, H. scouleri var. griseum
Name authority Linnaeus: Sp. Pl. 2: 801. (1753) Hooker: Fl. Bor.-Amer. 1: 298. (1833)
Web links