Flora of North America species comparison

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Hieracium triste

alpine hawkweed, slender hawkweed, woolly hawkweed
Habit Plants (3–)10–20(–40+) cm.
Stems

proximally glabrous or stellate-pubescent, distally usually piloso-hirsute (hairs 1–8+ mm) and/or stellate-pubescent and/or stipitate-glandular, sometimes glabrous.
Leaves

basal (3–)5–12+, cauline 0–2(–3+);

blades obovate to spatulate or oblanceolate, (15–)25–40(–60+) × 5–10(–25+) mm, lengths 2–3+ times widths, bases cuneate, margins usually entire, rarely denticulate, apices rounded to obtuse (often apiculate), faces usually glabrous, sometimes stipitate-glandular and/or scabrellous.
Peduncles

stellate-pubescent and stipitate-glandular.
Involucres

± campanulate, (6–)7–10 mm.
Florets

20–60+;

corollas yellow, 5–6 mm.
Phyllaries

13–21+, apices acuminate, abaxial faces piloso-hirsute (hairs 1–3+ mm), stellate-pubescent, and stipitate-glandular.
Calyculi

bractlets 5–8+.
Heads

usually 2–8+ in corymbiform arrays, sometimes borne singly.
Cypselae

columnar, 1.5–3.5 mm;

pappi of 30–40+ white or sordid bristles in ± 2 series, 4–5 mm.

Hieracium triste
Phenology Flowering (Jun–)Jul–Aug(–Sep).
Habitat Rocky slopes, stream sides, conifer forests, drying meadows, subalpine meadows
Elevation 100–3500 m [300–11500 ft]
Distribution
map from FNA
AK; CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC; NT; YT
[WildflowerSearch map]
[BONAP county map]
Parent taxa 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. scabrum, H. schultzii, H. scouleri, H. traillii, H. umbellatum, H. venosum, H. vulgatum
Synonyms Chlorocrepis tristis, H. gracile, H. gracile var. alaskanum, H. gracile var. densifloccosum, H. gracile var. detonsum, H. gracile var. yukonense, H. triste var. fulvum, H. triste subsp. gracile, H. triste var. gracile, H. triste var. tristiforme
Name authority Willdenow ex Sprengel: Syst. Veg. 3: 640. (1826)
Source FNA vol. 19, p. 291. Treatment author: John L. Strother.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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