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hairy hawkweed, longbeard hawkweed

Hieracium longiberbe

long-bearded hawkweed, longbeard hawkweed

Habit Plants 30–75(–200) cm. Plants 25–50+ cm.
Stems

proximally piloso-hirsute (hairs 6–15+ mm), distally piloso-hirsute (hairs 3–10+ mm), sometimes stellate-pubescent as well.

proximally piloso-hirsute (hairs 2–8+ mm), sometimes glabrate, distally glabrous or piloso-hirsute (hairs 2–5+ mm).

Leaves

basal 3–8+, cauline (3–)6–12+;

blades oblanceolate, 45–80(–250+) × 12–30(–40+) mm, lengths 4–7+ times widths, bases cuneate, margins entire, apices rounded to acute, faces piloso-hirsute (hairs 3–8+ mm).

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.

Peduncles

stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well.

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous.

Involucres

campanulate, 6–8(–10) mm.

campanulate, 7–10 mm.

Florets

30–40(–60);

corollas yellow, ca. 7 mm.

12–24+;

corollas yellow, 7–12 mm.

Phyllaries

12–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular.

12–15+, apices ± rounded, abaxial faces piloso-hirsute and stellate-pubescent.

Calyculi

bractlets 9–13+.

bractlets 9–13+.

Heads

10–20+ in paniculiform to nearly racemiform arrays.

(3–)6–12+ in corymbiform arrays.

Cypselae

urceolate, 3–4+ mm;

pappi of 35–40+, stramineous to sordid bristles in 2+ series, 5.5–6.5 mm.

columnar, ca. 3.5 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 5–6 mm.

Hieracium longipilum

Hieracium longiberbe

Phenology Flowering Jul–Sep. Flowering Jul.
Habitat Fields, prairies, roadsides Cliffs
Elevation 100–400 m (300–1300 ft) 30–100 m (100–300 ft)
Distribution
from FNA
AR; IA; IL; IN; KS; KY; LA; MI; MN; MO; NE; OH; OK; TN; TX; WI; ON
[WildflowerSearch map]
[BONAP county map]
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Hieracium longipilum may be no longer present in Quebec.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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. 285. 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. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. scabrum, 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. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. parryi, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. scabrum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
Name authority Torrey ex Hooker: Fl. Bor.-Amer. 1: 298. (1833) Howell: Fl. N.W. Amer., 395. (1901)
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