Thelesperma subnudum
Proc. Amer. Acad. Arts 10: 72. 1874.
Perennials, 10–30 (–40+) cm (caudices often woody). Cauline leaves mostly crowded over proximal 1/4 (–1/2) of plant heights, internodes mostly 1–5 (–35 mm); lobes mostly oblanceolate to linear, (5–) 10–35 (–45+) × (1–) 2–3 (–5) mm. Calyculi of 7–9 deltate to lance-linear bractlets 2–4+ mm. Ray-florets 0, or 8; laminae yellow, (6–) 12–20+ mm. Disc corollas yellow, sometimes with redbrown nerves, throats equal to or longer than lobes. Cypselae 5–7 mm; pappi usually 0, rarely 0.1–0.5 mm. 2n = 22, 24.
Phenology: Flowering May–Sep.
Habitat: Openings in pinyon/juniper or yellow-pine forests, often on talus or "balds"
Elevation: 1000–2900 m
Distribution
Alta., Ariz., Colo., Mont., Nev., N.Mex., N.Dak., Utah, Wyo.
Discussion
As here circumscribed, Thelesperma subnudum includes plants that have been treated as distinct species and/or varieties (some of which have been treated as of conservation concern). See C. J. Hansen et al. (2002) for an alternate interpretation of T. subnudum.
Selected References
None.
Lower Taxa
"broader" is not a number.