Hieracium longiberbe |
Hieracium pringlei |
|
---|---|---|
long-bearded hawkweed, longbeard hawkweed |
Pringle's hawkweed |
|
Habit | Plants 25–50+ cm. | Plants 20–45+ cm. |
Stems | proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm). |
proximally usually piloso-hirsute (or lanate, hairs 5–8+ mm, usually curled and tangled), sometimes nearly glabrous, distally piloso-hirsute (hairs 1–2+ mm) and 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 (2–)3–8+, cauline (0–)3+; blades elliptic or spatulate to oblanceolate, lanceolate, or lance-linear, (35–)50–120(–200+) × 10–25(–40+) mm, lengths 2–5(–10+) times widths, bases ± cuneate, margins usually entire, rarely toothed, apices obtuse to acute, faces (proximal leaves) piloso-hirsute (to lanate, hairs 1–3+ mm; distal leaves often ± glabrate). |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
usually stellate-pubescent and stipitate-glandular. |
Involucres | campanulate, 7–10 mm. |
campanulate, (7–)8–9 mm. |
Florets | 12–24+; corollas yellow, 7–12 mm. |
12–15+; corollas yellow, 7–9 mm. |
Phyllaries | 12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent. |
12–15+, apices rounded to acute, abaxial faces stellate-pubescent and/or stipitate-glandular. |
Calyculi | bractlets 9–13+. |
bractlets 3–5+. |
Heads | (3–)6–12+ in corymbiform arrays. |
3–12(–20+) in corymbiform arrays. |
Cypselae | columnar, ca. 3.5 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm. |
columnar, 2.2–4 mm; pappi of (40–)60–80, white or stramineous bristles in 2+ series, 4–5+ mm. |
Hieracium longiberbe |
Hieracium pringlei |
|
Phenology | Flowering Jul. | Flowering Jul–Aug. |
Habitat | Cliffs | Pine, oak, and pine-oak forests |
Elevation | 30–100 m (100–300 ft) | 2000–2300 m (6600–7500 ft) |
Distribution |
OR; WA
|
AZ; NM; Mexico; Central America (Guatemala) |
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 | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Name authority | Howell: Fl. N.W. Amer., 395. (1901) | A. Gray: Proc. Amer. Acad. Arts 19: 69. (1883) |
Web links |