Perityle ciliata

(L. H. Dewey) Rydberg

in N. L. Britton et al., N. Amer. Fl. 34: 17. 1914.

Common names: Fringed rock daisy
Basionym: Laphamia ciliata L. H. Dewey Bot. Gaz. 20: 425. 1895
Treatment appears in FNA Volume 21. Treatment on page 322. Mentioned on page 321.

Subshrubs, 15–30 cm (in rock crevices, stems relatively many, erect to pendulous); sparsely to densely short-hairy, glandular. Leaves: petioles 2–15 mm; blades deltate-ovate to ovate-rhombic, 6–23 × 5–24 mm, margins usually entire or serrate to serrate-crenate, sometimes shallow-lobed. Heads in corymbiform arrays, 5–7 × 5.5–7 mm. Peduncles 5–25 mm. Involucres campanulate. Phyllaries 13–20, linear-lanceolate to narrow-ovate, 4–5.5 × 1–2 mm. Ray florets 6–10; corollas white, sometimes pink tinged, laminae broadly oblong to oblong-elliptic, 3–7 × 1.5–3 mm. Disc florets 30–40; corollas yellow, often purple tinged, tubes 0.8–1 mm, throats tubular to tubular-funnelform, 1.2–1.4 mm, lobes 0.3–0.4 mm. Cypselae linear-oblong to oblanceolate, 2–2.8 mm, margins prominently calloused, long-ciliate; pappi of 2(–3+) barbellulate bristles 1.5–2.5 mm plus crowns of hyaline, laciniate scales. 2n = 34.

Phenology: Flowering spring–fall.
Habitat: In rock crevices
Elevation: 1100–2500 m


Perityle ciliata is found only in the mountains of central Arizona in Apache, Coconino, Gila, Mohave, and Yavapai counties. It appears to be most closely related to P. coronopifolia.

Selected References


Lower Taxa

... more about "Perityle ciliata"
Sharon C. Yarborough +  and A. Michael Powell +
(L. H. Dewey) Rydberg +
Laphamia ciliata +
Fringed rock daisy +
1100–2500 m +
In rock crevices +
Flowering spring–fall. +
in N. L. Britton et al., N. Amer. Fl. +
Illustrated +  and Endemic +
Undefined (tribe Undefined) subtribe Amauriinae +
Perityle ciliata +
Perityle sect. Perityle +
species +