Erythronium pusaterii (Munz & J.T.Howell) Shevock, Bartel & G.A.Allen

Bulbs narrowly ovoid, 40–60 mm. Leaves 10–35 cm; blade green, lanceolate, margins ± wavy. Scape 12–40 cm. Inflorescences 1–8-flowered. Flowers: tepals white, proximal 1/2–2/3 bright yellow, becoming pinkish in age, lanceolate, 25–45 mm, inner auriculate at base; stamens 8–15 mm; filaments ± white, slender; anthers yellow; style ± white, 7–10 mm; stigma ± unlobed, or with lobes shorter than 1 mm. Capsules obovoid, 2–4 cm.