Hieracium scouleri |
Hieracium parryi |
|
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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) |
Parry's hawkweed, Scouler's woollyweed |
|
Habit | Plants (15–)35–60+ cm. | Plants 15–45+ 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 1–3+ mm) and stipitate-glandular, distally piloso-hirsute (hairs 1–2+ mm) and stipitate-glandular. |
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 (0–)3–5, cauline 2–3(–8); blades lance-elliptic to lanceolate, 30–80(–100) × (3–)10–20(–30+) mm, lengths 3–8(–10+) times widths, bases cuneate, margins usually entire, sometimes denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–3+ mm), sometimes glabrate. |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
densely stipitate-glandular. |
Involucres | campanulate, 8–10 mm. |
campanulate, 10–12 mm. |
Florets | 20–45+; corollas yellow, 10–12 mm. |
30–60+; corollas yellow, 9–11 mm. |
Phyllaries | 12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
13–21+, apices ± acuminate, abaxial faces stipitate-glandular. |
Calyculi | bractlets 5–13+. |
bractlets 7–9+. |
Heads | (3–)9–25+ in corymbiform to thyrsiform arrays. |
(1–)3–12+ in corymbiform arrays. |
Cypselae | (red-brown or black) columnar, ca. 3 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm. |
columnar, 2.5–3 mm; pappi of 50–60+, white bristles in ± 2 series, ca. 5 mm. |
Hieracium scouleri |
Hieracium parryi |
|
Phenology | Flowering Jun–Sep. | Flowering Jun–Jul. |
Habitat | Disturbed sites, openings in pine forests and sagebrush, borders of meadows | Openings in brush, grassy slopes, serpentines |
Elevation | 400–3000 m (1300–9800 ft) | 10–2000 m (0–6600 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
|
CA; OR
|
Source | FNA vol. 19, p. 289. | FNA vol. 19, p. 290. |
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) | Zahn: in H. G. A. Engler, Pflanzenr. 79[IV,280]: 1128. (1922) |
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