Gaillardia multiceps
Bull. Torrey Bot. Club 24: 512. 1897.
Perennials or subshrubs, 30–45+ cm. Leaves cauline; petiolar bases essentially none; blades narrowly spatulate or linear, 2–6 cm × 3–5(–8+) mm, margins entire, faces sparsely and minutely hispidulous or glabrate. Peduncles 2–5+ cm. Phyllaries 20–26, lanceolate- to narrowly triangular-attenuate, 6–10 mm, ± sericeous to villous, not ciliate with jointed hairs. Receptacular setae 0.5–2.5 mm. Ray florets 8; corollas yellow, 13–20 mm. Disc florets 50–80+; corollas proximally yellow, distally purplish, tubes 1–1.5 mm, throats campanulate, 4–4.5 mm, lobes ovate-deltate, 0.8 mm, jointed hairs mostly 0.3+ mm. Cypselae obpyramidal, 2.5–3 mm, hairs 2.5–3 mm, inserted at bases and on angles and faces; pappi of 10 lanceolate, aristate scales 6–9 mm (scarious bases 4–5 × 0.8–1.5 mm). 2n = 68, ca. 102.
Phenology: Flowering Jul–Aug.
Habitat: Gypseous soils, including dunes
Elevation: 1100–1800 m
Distribution
Ariz., N.Mex., Tex.
Discussion
See comments under 1. Gaillardia pinnatifida.
Selected References
None.