June 25, 1806, on the Lolo Trail, Idaho.

A long, branched, dense cluster of relatively small, whitish or greenish flowers top the stout, leafy stem of this tall plant. Leaves 8-12 in (20-30 cm) long, numerous, broad, ovate. Flowers have six petal-like segments 0.5-0.8 in (1.3-2 cm) long, each with a V-shaped green gland at base. Height: 4-8 ft (1.2-2.4 m).

Swamps and creek bottoms, wet meadows, and moist forests.

Western Washington to southern California; east to New Mexico, Colorado, Wyoming, and Montana.

California corn lily is extremely poisonous.

Species information from enature.com