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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
from FNA
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
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[BONAP county map]
from FNA
CT; MA; ME; NJ; NY; PA; WI; BC; NS; Europe [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 288. FNA vol. 19, p. 289.
Parent taxa Asteraceae > tribe Cichorieae > Hieracium Asteraceae > tribe Cichorieae > Hieracium
Sibling taxa
H. abscissum, H. albiflorum, H. alpinum, H. argutum, H. aurantiacum, H. bolanderi, H. brevipilum, H. caespitosum, H. carneum, H. crepidispermum, H. fendleri, H. flagellare, H. greenei, H. gronovii, H. horridum, H. lactucella, H. longiberbe, H. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
H. abscissum, H. albiflorum, H. alpinum, H. argutum, H. aurantiacum, H. bolanderi, H. brevipilum, H. caespitosum, H. carneum, H. crepidispermum, H. fendleri, H. flagellare, H. greenei, H. gronovii, H. horridum, H. lactucella, H. longiberbe, H. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. scabrum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
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)
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