Distribution: Introduced in scattered locations in North America; occasional in British Columbia, western Washington and Oregon, and northcentral Montana.
Habitat: Disturbed soil and wasteland.
Flowers: April - July
Conservation Status: Not of concern
Usually glabrous, dioecious perennial from a simple or branched crown, the erect, 1-several stems 4-10 dm. tall, simple below the inflorescence.
Leaves with sheathing stipules and the lower with a slender petiole, becoming sessile above; leave blades oblong to oblong-lanceolate, up to 10 cm. long, at least the lower saggitate-based.
Inflorescence a large, leafless, reddish panicle; pedicels very slender, about the same length as the perianth, jointed at mid-length; flowers imperfect; outer 3 perianth segments 1.5 mm. long, becoming strongly reflexed; inner 3 segments 3.5 mm. long, erect, with a very small lump at the base; styles 3.
Achene 2.5 mm. long, smooth.