Gaillardia parryi

Greene

Bull. Torrey Bot. Club 27: 512. 1897. 1897

Endemic
Basionyms: Gaillardia acaulis A. Gray Proc. Amer. Acad. Arts 10: 73. 1874,
Treatment appears in FNA Volume 21. Treatment on page 424. Mentioned on page 423.

Perennials, 10–35 cm. Leaves mostly basal, sometimes to mid-stems; petiolar bases 3–5+ cm; blades elliptic-obovate to ± spatulate, 3–5+ cm × 5–25 mm, margins weakly lobed or entire, faces closely puberulent. Peduncles 10–30 cm. Phyllaries 22–26+, lance-attenuate, 9–12 mm, villous with jointed hairs. Receptacular setae 2–4 mm. Ray florets 8–14; corollas yellow, 14–17+ mm. Disc florets 50–100+; corollas yellow, tubes 1–1.2 mm, throats cylindric, 4–5.5 mm, lobes ovate, 0.7–1.3 mm, jointed hairs 0.3+ mm. Cypselae ± obpyramidal, 1–2 mm, hairs 1+ mm, inserted at bases and on angles and faces; pappi of 10 ovate to lanceolate, aristate scales 5–6.5+ mm (scarious bases 3–4.5 × 1–1.2 mm). 2n = 68.


Phenology: Flowering May–Jun(–Sep).
Habitat: Clays or sandy soils, often disturbed places, with sagebrush, pinyons, or yellow pines
Elevation: 1200–2000 m

Discussion

Selected References

None.

Lower Taxa

None.