Page author: David Giblin
Abutilon theophrasti
WTU specimens
Other herbaria

Distribution: Both sides of the Cascades in Washington; introduced noxious weed, common in eastern United States, uncommon in the Pacific Northwest.

Habitat: Rich, moist soils in gardens, cultivated fields and waste areas.

Flowers: July-August

Origin: Introduced

Conservation Status: Not of concern


Robust annual, the erect, branched stems 0.5-2 m. tall, the herbage soft-hairy throughout.


Leaves alternate, petiolate, rotund and cordate, pointed at the apex, soft.


Flowers solitary in the leaf axils; sepals 5; petals 5, yellow, spreading, broadly obcordate and truncate, clawed, about 1 cm. long; stamens numerous, the filaments united in a tube; ovary superior, up to 3 cm. broad, the 9-15 carpels in a ring around a central axis.


Carpels somewhat flattened, with 3-9 ovoid, rough, gray seeds.

Accepted Name:
Abutilon theophrasti Medik.
Publication: Malvenfam. 28. 1787.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Abutilon theophrasti in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Abutilon theophrasti checklist entry.

E-Flora BC: Abutilon theophrasti atlas page.

CalPhotos: Abutilon theophrasti photos.

USDA Plants: Abutilon theophrasti information.

17 photographs:
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