Hieracium scouleri |
Hieracium crepidispermum |
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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) |
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Habit | Plants (15–)35–60+ cm. | Plants 25–45(–100) 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 3–6+ mm), distally piloso-hirsute (hairs 1–2+ 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 2–8+, cauline (0–)3–4+; blades elliptic to oblanceolate, 30–85 × 16–35 mm, lengths 2.5–5+ times widths, bases cuneate (basal) or clasping (cauline), margins entire or denticulate, apices obtuse to acute, faces piloso-hirsute (hairs 1–2+ mm). |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
stellate-pubescent. |
Involucres | campanulate, 8–10 mm. |
campanulate, 7–9+ mm. |
Florets | 20–45+; corollas yellow, 10–12 mm. |
25–40; corollas whitish to pale yellow, 8–9 mm. |
Phyllaries | 12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
13–18+, apices ± rounded to acute, abaxial faces stellate-pubescent. |
Calyculi | bractlets 5–13+. |
bractlets 9–12+. |
Heads | (3–)9–25+ in corymbiform to thyrsiform arrays. |
8–12(–25+) in ± 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. |
urceolate, 3.5–4.5 mm; pappi of 45–60+, white or stramineous bristles in 2+ series, 5–5.5+ mm. |
Hieracium scouleri |
Hieracium crepidispermum |
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Phenology | Flowering Jun–Sep. | Flowering Sep. |
Habitat | Disturbed sites, openings in pine forests and sagebrush, borders of meadows | Springy sites, along streams |
Elevation | 400–3000 m (1300–9800 ft) | 2200–2500 m (7200–8200 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
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AZ; NM; Mexico |
Source | FNA vol. 19, p. 289. | FNA vol. 19, p. 286. |
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 | H. lemmonii |
Name authority | Hooker: Fl. Bor.-Amer. 1: 298. (1833) | Fries: Nova Acta Regiae Soc. Sci. Upsal. 14: 146. (1848) |
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