Perityle rupestris

(A. Gray) Shinners

SouthW. Naturalist 4: 204. 1959.

Common names: Leafy rock daisy
IllustratedEndemic
Basionym: Laphamia rupestris A. Gray Smithsonian Contr. Knowl. 3(5): 100, plate 9, fig. A. 1852
Synonyms: Pappothrix rupestris (A. Gray) Rydberg
Treatment appears in FNA Volume 21. Treatment on page 319. Mentioned on page 318.
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Plants 4–25(–35)+ cm (profusely branched, leafy); hirsute, pilose, or puberulent. Leaves: petioles 3–13 mm; blades ovate, subcordate, subdeltate, or subreniform, 5–17(–22) × 5–17(–30) mm, margins almost entire to irregularly serrate or serrate-lobed (faces pilose to hirsute). Heads borne singly or in corymbiform arrays, 6–8 × 3–5 mm. Peduncles 2–13(–20) mm. Involucres subcylindric, subfunnelform, or narrowly campanulate. Phyllaries 8–10(–14), narrowly lanceolate to oblanceolate, 3.5–7 × 1–2 mm. Disc florets 8–16; corollas yellow or white, tubes 0.8–1.3 mm, throats tubular to subfunnelform, 1.8–3 mm, lobes 0.5–1.3 mm. Cypselae (1.8–)2–2.5 mm; pappi of (16–)20–30 bristles 1–3(–3.5) mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.