Hieracium longiberbe |
Hieracium greenei |
|
---|---|---|
long-bearded hawkweed, longbeard hawkweed |
Greene's hawkweed |
|
Habit | Plants 25–50+ cm. | Plants 10–35(–45+) cm. |
Stems | proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm). |
proximally stellate-pubescent, rarely piloso-hirsute (hairs 1–3+ mm), distally usually densely, sometimes sparsely, 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 5–8+, cauline 2–3(–5+); blades spatulate to oblanceolate, 35–80(–150) × 8–15(–25) mm, lengths 2.5–5 times widths, bases ± cuneate, margins usually entire, rarely denticulate, apices rounded to acute, abaxial faces piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent, sometimes stipitate-glandular as well, adaxial piloso-hirsute (hairs 2–3+ mm) and stellate-pubescent. |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
densely to sparsely stellate-pubescent. |
Involucres | campanulate, 7–10 mm. |
cylindric, 9–12 mm. |
Florets | 12–24+; corollas yellow, 7–12 mm. |
4–10(–15+); corollas yellow, 8–10 mm. |
Phyllaries | 12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent. |
7–8+, apices rounded to obtuse, abaxial faces sparsely to densely stellate-pubescent. |
Calyculi | bractlets 9–13+. |
bractlets 3–5+. |
Heads | (3–)6–12+ in corymbiform arrays. |
(3–)8–25(–50+) in paniculiform arrays (divaricately branched). |
Cypselae | columnar, ca. 3.5 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm. |
columnar, 4–5 mm; pappi of 60–80, white or stramineous to rufous bristles in 2+ series, 7–9 mm. |
Hieracium longiberbe |
Hieracium greenei |
|
Phenology | Flowering Jul. | Flowering Jul–Sep. |
Habitat | Cliffs | Openings in conifer forests, serpentines |
Elevation | 30–100 m [100–300 ft] | 900–2400 m [3000–7900 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. 290. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | H. oregonicum | |
Name authority | Howell: Fl. N.W. Amer., 395. (1901) | A. Gray: Proc. Amer. Acad. Arts 19: 69. (1883) |
Web links |