Panamint daisy

Helianthella covillei A. Nelson, Bot. Gaz. 37: 273. 1904; Enceliopsis argophylla (D. C. Eaton) A. Nelson var. grandiflora Jepson

Perennials, 15–80(–100+) cm; herbage silvery, hairs fine, ± appressed. Leaves: petioles winged, wings merging with blades; blades rhombic or widely elliptic, 4–10 × 2–8 cm. Peduncles 30–100 cm. Involucres 18–30 mm. Phyllaries in 4–6 series, lanceolate to ovate, apices acuminate. Ray florets 20–35; corollas light yellow, laminae 30–50 mm (1.5–2 times disc diams.). Cypselae ± 10 × 6.5 mm, glabrous or puberulent; pappi of 2 awns ± 1 mm (plus minute scales). 2n = 36.

Flowering Apr–Jun. Stony hillsides, canyons; 400–1300 m; Calif.