Blooms: April - July
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Introduced in scattered locations in North America; occasional in British Columbia, western Washington and Oregon, and northcentral Montana.
Habitat: Disturbed soil and wasteland.
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Introduced in scattered locations in North America; occasional in British Columbia, western Washington and Oregon, and northcentral Montana.
Habitat: Disturbed soil and wasteland.
Species Description:
General: Usually glabrous, dioecious perennial from a simple or branched crown, the erect, 1-several stems 4-10 dm. tall, simple below the inflorescence.
Leaves: 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.
Flowers: 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.
Fruits: Achene 2.5 mm. long, smooth.
General: Usually glabrous, dioecious perennial from a simple or branched crown, the erect, 1-several stems 4-10 dm. tall, simple below the inflorescence.
Leaves: 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.
Flowers: 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.
Fruits: Achene 2.5 mm. long, smooth.
Accepted Name:
Rumex acetosa L.Synonyms:
Acetosa pratensis Miller
Rumex acetosa L. ssp. acetosa
Rumex acetosa L. ssp. pratensis (Miller) A. Blytt & O. C. Dahl
Treated in Flora of the PNW as:
Rumex acetosa
Additional Resources:
PNW Herbaria Specimens: View list of Rumex acetosa specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Rumex acetosa specimens in the WTU Herbarium database.
Washington Flora Checklist: Rumex acetosa treatment.
E-Flora BC: Rumex acetosa atlas page.
CalPhotos: Rumex acetosa images.
USDA Plants Database: Rumex acetosa.
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
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