Lemmon's Hawkweed

Plants 25–45(–100) cm. Stems proximally piloso-hirsute (hairs 3–6+ mm), distally piloso-hirsute (hairs 1–2+ mm) and stellate-pubescent. Leaves: basal 2–8+, cauline (0–)3–4+; blades elliptic to oblanceolate, 30–85 × 16–35 mm, lengths 2.5–5+ times widths, bases cuneate (basal) or clasping (cauline), margins entire or denticulate, apices obtuse to acute, faces piloso-hirsute (hairs 1–2+ mm). Heads 8–12(–25+) in ± paniculiform arrays. Peduncles stellate-pubescent. Calyculi: bractlets 9–12+. Involucres campanulate, 7–9+ mm. Phyllaries 13–18+, apices ± rounded to acute, abaxial faces stellate-pubescent. Florets 25–40; corollas whitish to pale yellow, 8–9 mm. Cypselae urceolate, 3.5–4.5 mm; pappi of 45–60+, white or stramineous bristles in 2+ series, 5–5.5+ mm.

Hieracium lemmonii A. Gray