Madroño 37: 268, fig. 3. 1991.
Bulbs ± ovoid, 40–75 mm. Leaves 7–30 cm; blade green, oblanceolate to elliptic, margins ± wavy. Scape 8–35 cm. Inflorescences 1–10-flowered. Flowers: tepals yellow, bronze in age, lanceolate, 15–28 mm, not auriculate at base; stamens 8–12 mm; filaments yellow, slender; anthers yellow; style yellow, 6–8 mm; stigma unlobed or with very short, rounded lobes shorter than 1 mm. Capsules obovoid, 2–4 cm.
Phenology: Flowering summer (Jun–Jul).
Habitat: Open montane coniferous forests
Elevation: 2300–2600 m
Of conservation concern.
Erythronium pluriflorum is known only from Madera County.
"thicker" is not a number.