White Mountains ivesia

Horkelia scandularis Rydberg, Monogr. N. Amer. Potentilleae, 150, plate 91, figs. 5–9. 1898; Ivesia lycopodioides subsp. scandularis (Rydberg) D. D. Keck; Potentilla lycopodioides (A. Gray) Baillon ex J. T. Howell var. scandularis (Rydberg) J. T. Howell

Stems decumbent to ascending, 0.5–1.5 dm. Basal leaves 3–8 cm; leaflets tightly overlapping, short-hirsute, lobes obovate, 1–3 mm, apical setae (0–)0.5–1(–2) mm. Cauline leaves 0–1. Inflorescences usually ± capitate, 3–15(–20)-flowered, 1–2(–3) cm diam. Flowers 6–12 mm diam.; petals broadly obovate, 3–5 × 2–3 mm; filaments 1.2–1.5 mm; styles 2–3 mm.

Flowering summer. Moist slopes, fellfields, in high-elevation sagebrush communities, subalpine to alpine conifer woodlands, alpine tundra; 3000–4000 m; Calif.

Variety scandularis is the only variety that occurs in the White Mountains of Inyo and Mono counties, California; scattered populations occur also on the eastern side of the Sierra Nevada. Leaflet lobes are intermediate in size between those of the other two varieties and usually are tipped with a single bristle to 2 mm.