Hieracium longiberbe |
Hieracium nudicaule |
|
---|---|---|
long-bearded hawkweed, longbeard hawkweed |
naked stem Scouler's hawkweed, naked-stem hawkweed, Scouler's woollyweed |
|
Habit | Plants 25–50+ cm. | Plants (15–)20–30(–50+) cm. |
Stems | proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm). |
proximally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent, distally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent. |
Leaves | basal 0(–3+), cauline 6–12+; blades spatulate to oblanceolate, 25–80(–100+) × 8–15(–25+) mm, lengths 3–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices obtuse to acute, abaxial faces piloso-hirsute (hairs 2–5+ mm), adaxial usually piloso-hirsute at margins (hairs 2–5+ mm), rarely glabrous. |
basal (3–)5–8, cauline 0–3(–5); blades lanceolate to lance-elliptic, 50–120 × 6–18(–30) mm, lengths (3–)5–8+ times widths, bases cuneate, margins usually entire, sometimes denticulate, apices acute, faces usually piloso-hirsute (hairs 2–7+ mm) and stellate-pubescent, sometimes glabrous or glabrate. |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
± stellate-pubescent, sometimes stipitate-glandular as well. |
Involucres | campanulate, 7–10 mm. |
± campanulate, 8–10+ (× 4–6) mm. |
Florets | 12–24+; corollas yellow, 7–12 mm. |
20–40+; corollas yellow, 8–10+ mm. |
Phyllaries | 12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent. |
8–13+, apices rounded to acute, abaxial faces piloso-hirsute (hairs 0.5–2+ mm), stellate-pubescent, and stipitate-glandular. |
Calyculi | bractlets 9–13+. |
bractlets 8–13+. |
Heads | (3–)6–12+ in corymbiform arrays. |
(2–)5–12+ in paniculiform to corymbiform or subumbelliform arrays. |
Cypselae | columnar, ca. 3.5 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm. |
(black) columnar, 2.5–3 mm; pappi of 40–60+, white or stramineous bristles in ± 2 series, 4–6 mm. |
Hieracium longiberbe |
Hieracium nudicaule |
|
Phenology | Flowering Jul. | Flowering Jun–Aug(–Sep). |
Habitat | Cliffs | Openings in chaparral, conifer forests |
Elevation | 30–100 m (100–300 ft) | 400–2300 m (1300–7500 ft) |
Distribution |
OR; WA
|
CA; OR
|
Discussion | Hieracium longiberbe is known only from along the Columbia River. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 19, p. 289. | FNA vol. 19, p. 293. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | H. cynoglossoides var. nudicaule, H. scouleri var. nudicaule | |
Name authority | Howell: Fl. N.W. Amer., 395. (1901) | (A. Gray) A. Heller: Muhlenbergia 2: 149. (1906) |
Web links |