Hieracium scabrum |
Hieracium sabaudum |
|
---|---|---|
rough hawkweed |
European hawkweed, European King devil, New England hawkweed, savoy hawkweed |
|
Habit | Plants (15–)30–60+ cm. | Plants ca. 65 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 2–3+ mm), distally glabrous or stellate-pubescent, sometimes piloso-hirsute as well (hairs 1–2 mm). |
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 0, cauline 12–20+; blades ± lanceolate, 30–80 × 10–25 mm, lengths 2–4+ times widths, bases cuneate, margins usually toothed, apices acute to acuminate, abaxial faces piloso-hirsute, adaxial glabrous or ± scabrellous (especially distal margins). |
Peduncles | stellate-pubescent and stipitate-glandular (hairs 0.3–0.6+ mm). |
stellate-pubescent. |
Involucres | campanulate, 7–9 mm. |
campanulate, 8–9 mm. |
Florets | (30–)40–60+; corollas yellow, 9–11 mm. |
40–60+; corollas yellow, ca. 10 mm. |
Phyllaries | 13–21+, apices ± acuminate, abaxial faces stellate-pubescent and stipitate-glandular, rarely, if ever, piloso-hirsute. |
21+, apices ± rounded, abaxial faces stellate-pubescent and stipitate-glandular. |
Calyculi | bractlets 12–15+. |
bractlets 21+. |
Heads | (5–)10–25(–50+) in corymbiform to paniculiform arrays. |
25–30+ in corymbiform arrays. |
Cypselae | columnar, 2.5–3 mm; pappi of 30–40+, stramineous bristles in ± 2 series, 6–7 mm. |
columnar, 2.5–3 mm; pappi of ca. 60+, stramineous bristles in ± 2 series, ca. 6 mm. |
Hieracium scabrum |
Hieracium sabaudum |
|
Phenology | Flowering Jul–Sep. | Flowering Aug–Sep. |
Habitat | Sandy soils, open, disturbed sites (fields, stream sides), wooded sites | Disturbed sites (grasslands, open woods) |
Elevation | 10–300+ m (0–1000+ ft) | 10+ m (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
|
CT; MA; ME; NJ; NY; PA; WI; BC; NS; Europe [Introduced in North America]
|
Source | FNA vol. 19, p. 288. | FNA vol. 19, p. 289. |
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 | |
Name authority | Michaux: Fl. Bor.-Amer. 2: 86. (1803) | Linnaeus: Sp. Pl. 2: 804. (1753) |
Web links |
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