Hieracium scouleri |
Hieracium horridum |
|
---|---|---|
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) |
prickly hawkweed, shaggy hawkweed |
|
Habit | Plants (15–)35–60+ cm. | Plants 5–25(–40+) cm. |
Stems | 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. |
proximally piloso-hirsute (hairs 2–4+ mm), distally piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent. |
Leaves | 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. |
basal 3–6+, cauline 3–6+; blades oblong to spatulate or oblanceolate, (15–)25–75(–150+) × 6–12(–30+) mm, lengths 3–6+ times widths, bases cuneate, margins usually entire, sometimes denticulate, apices obtuse to acute, faces piloso-hirsute (to lanate, hairs 2–4 mm). |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
usually stellate-pubescent, sometimes piloso-hirsute as well (hairs 1–2 mm). |
Involucres | campanulate, 8–10 mm. |
± cylindric to campanulate, 6–9 (× 3–4) mm. |
Florets | 20–45+; corollas yellow, 10–12 mm. |
6–12(–15+); corollas yellow, 8–9 mm. |
Phyllaries | 12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
12–15+, apices acute to acuminate, abaxial faces usually densely piloso-hirsute (hairs 1–2+ mm), sometimes stellate-pubescent or glabrous. |
Calyculi | bractlets 5–13+. |
bractlets 5–8+. |
Heads | (3–)9–25+ in corymbiform to thyrsiform arrays. |
(3–)8–25(–100+) in corymbiform to paniculiform arrays. |
Cypselae | (red-brown or black) columnar, ca. 3 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm. |
(tan to red-brown) columnar, 3–3.5 mm; pappi of ca. 60+, stramineous bristles in ± 2 series, 4–6 mm. |
Hieracium scouleri |
Hieracium horridum |
|
Phenology | Flowering Jun–Sep. | Flowering (Jun–)Jul–Sep. |
Habitat | Disturbed sites, openings in pine forests and sagebrush, borders of meadows | Boulders, gravels, meadows, pine forests |
Elevation | 400–3000 m (1300–9800 ft) | 1500–3700 m (4900–12100 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
|
CA; NV; OR
|
Source | FNA vol. 19, p. 289. | FNA vol. 19, p. 292. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | H. absonum, H. albertinum, H. chapacanum, H. cynoglossoides, H. scouleri var. albertinum, H. scouleri var. griseum | |
Name authority | Hooker: Fl. Bor.-Amer. 1: 298. (1833) | Fries: Uppsala Univ. Årsskr. 1862: 154. (1862) |
Web links |
|