Difference between revisions of "Hieracium traillii"
Pittonia 4: 226. 1900.
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Revision as of 18:37, 24 September 2019
Plants 25–60+ cm. Stems proximally glabrous or stellate-pubescent, distally glabrous or stellate-pubescent. Leaves: basal 5–6+, cauline 0(–1+); blades oblanceolate to spatulate, 40–80 × 18–45+ mm, lengths 3–5+ times widths, bases cuneate, margins usually entire, apices rounded to obtuse, abaxial faces piloso-hirsute (hairs 1–3+ mm), adaxial glabrous. Heads 8–12+ in corymbiform arrays. Peduncles stellate-pubescent and stipitate-glandular. Calyculi: bractlets 5–8+. Involucres hemispheric to campanulate, 8–10 (× 6–9) mm. Phyllaries 13–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. Florets 30–60+; corollas yellow, ca. 12 mm. Cypselae (black or red-brown) columnar, 3–4 mm; pappi of ca. 40+, stramineous bristles in ± 2 series, 6–7 mm.
Phenology: Flowering Jun–Aug.
Habitat: Shaley sites
Elevation: 1000–1300 m
Distribution
Ky., Md., Ohio, Pa., Va., W.Va.
Discussion
Selected References
None.