Proc. Calif. Acad. Sci., ser. 2, 4: 88, plate 4. 1894.
Taproots gradually ramified distally. Stems erect, 0.5–5 cm. Leaves: basal leaves withering at or soon after anthesis, ± sessile or abruptly or gradually narrowed into broad petiole, blade spatulate to orbiculate, flattened, 1–6.5 (–9) cm, margins entire, apex obtuse, truncate, or retuse; cauline leaves absent. Inflorescences with flowers borne singly on peduncles; bracts 2, ovate to oblong, 5–12 mm, margins glandular-toothed, apex acute. Flowers sessile, not disarticulate in fruit; sepals 2, decussate with bracts, resembling 4-merous calyx, ovatelanceolate to oblanceolate, 5–12 mm, herbaceous, margins irregularly toothed, sometimes glandular, apex acute; petals (5–) 6–9 (–12), white, obovate to oblanceolate, 10–15 mm; stamens 8–15 (–26); stigmas 3–5. Capsules 8 mm. Seeds 12–15, 2 mm, minutely tuberculate.
Phenology: Flowering late spring–early summer.
Habitat: Sandy or gravelly, usually granitic or volcanic substrates, near melting snow
Elevation: 1300-2400 m
Lewisia kelloggii is known only from the central Sierra Nevada, California, and a disjunct population in the Sawtooth Range, Idaho.