Difference between revisions of "Hieracium longipilum"
Fl. Bor.-Amer. 1: 298. 1833.
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Latest revision as of 20:15, 29 July 2020
Plants 30–75 (–200) cm. Stems proximally piloso-hirsute (hairs 6–15+ mm), distally piloso-hirsute (hairs 3–10+ mm), sometimes stellate-pubescent as well. 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). Heads 10–20+ in paniculiform to nearly racemiform arrays. Peduncles stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. Calyculi: bractlets 9–13+. Involucres campanulate, 6–8 (–10) mm. Phyllaries 12–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular. Florets 30–40 (–60); corollas yellow, ca. 7 mm. Cypselae urceolate, 3–4+ mm; pappi of 35–40+, stramineous to sordid bristles in 2+ series, 5.5–6.5 mm.
Phenology: Flowering Jul–Sep.
Habitat: Fields, prairies, roadsides
Elevation: 100–400 m
Distribution
![V19-395-distribution-map.gif](/w/images/4/47/V19-395-distribution-map.gif)
Ont., Ark., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Mo., Nebr., Ohio, Okla., Tenn., Tex., Wis.
Discussion
Hieracium longipilum may be no longer present in Quebec.
Selected References
None.
Lower Taxa
"fine" is not a number.