Hieracium scabrum |
Hieracium megacephalon |
|
---|---|---|
rough hawkweed |
coastal plain hawkweed |
|
Habit | Plants (15–)30–60+ cm. | Plants ca. 40 cm. |
Stems | proximally piloso-hirsute (hairs 1.5–5+ mm), sometimes stellate-pubescent as well, distally stellate-pubescent, sometimes stipitate-glandular, rarely piloso-hirsute (hairs 1–2+ mm). |
proximally piloso-hirsute (hairs 1–4+ mm) and stellate-pubescent, distally piloso-hirsute and/or stellate-pubescent. |
Leaves | basal 0(–3), cauline 6–24+; blades elliptic or oblanceolate to spatulate or lanceolate, (20–)35–80(–120+) × (10–)20–35(–50+) mm, lengths 2–6+ times widths, bases cuneate to rounded-truncate, margins usually entire, sometimes denticulate, apices rounded to obtuse, faces hirtellous to piloso-hirsute (hairs 0.5–1+ mm). |
basal 4–6, cauline (1–)3–4+; blades elliptic to obovate, 35–80(–120) × 15–30(–40+) mm, lengths 2–4+ times widths, bases cuneate to rounded (sometimes ± clasping), margins entire or denticulate, apices rounded to obtuse, abaxial faces piloso-hirsute (hairs 1.5–4 mm), sometimes stellate-pubescent as well, adaxial piloso-hirsute. |
Peduncles | stellate-pubescent and stipitate-glandular (hairs 0.3–0.6+ mm). |
stellate-pubescent and stipitate-glandular. |
Involucres | campanulate, 7–9 mm. |
campanulate, 8–11 mm. |
Florets | (30–)40–60+; corollas yellow, 9–11 mm. |
20–50+; corollas yellow, 10–12+ mm. |
Phyllaries | 13–21+, apices ± acuminate, abaxial faces stellate-pubescent and stipitate-glandular, rarely, if ever, piloso-hirsute. |
9–13+, apices acute to acuminate, abaxial faces stellate-pubescent and stipitate-glandular. |
Calyculi | bractlets 12–15+. |
bractlets 5–12+. |
Heads | (5–)10–25(–50+) in corymbiform to paniculiform arrays. |
(12–)20–50+ in open, corymbiform arrays (lengths of arrays ± 2 times diams.). |
Cypselae | columnar, 2.5–3 mm; pappi of 30–40+, stramineous bristles in ± 2 series, 6–7 mm. |
urceolate, 3.5–4+ mm; pappi of 32–40+, white to stramineous bristles in 1–2+ series, 5–6.5 mm. |
Hieracium scabrum |
Hieracium megacephalon |
|
Phenology | Flowering Jul–Sep. | Flowering (Jan–)Apr–May(–Oct). |
Habitat | Sandy soils, open, disturbed sites (fields, stream sides), wooded sites | Limestone hammocks, pine woods, sands |
Elevation | 10–300+ m (0–1000+ ft) | 0–10+ m (0–0+ ft) |
Distribution |
AR; CT; DC; DE; GA; IA; IL; IN; KY; MA; MD; ME; MI; MN; MO; NC; NH; NJ; NY; OH; OK; PA; RI; SC; TN; VA; VT; WI; WV; NB; NS; ON; PE; QC
|
FL; GA; SC
|
Source | FNA vol. 19, p. 288. | FNA vol. 19, p. 286. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | H. scabrum var. intonsum, H. scabrum var. leucocaule, H. scabrum var. tonsum | H. argyraeum |
Name authority | Michaux: Fl. Bor.-Amer. 2: 86. (1803) | Nash: Bull. Torrey Bot. Club 22: 152. (1895) |
Web links |