Page author: David Giblin
Tonella floribunda
greater baby-innocence, large-flowered tonella

Distribution: Occurring along the southern border of Washington; Canyon of the Snake River and tributaries; Washington south to Oregon, east to Idaho.

Habitat: Open, often rocky places, at low elevations.

Flowers: April-June

Origin: Native

Conservation Status: Not of concern


Annual, the stem 1-3.5 dm. tall, often branched, glabrous below but with stalked glands above.


Leaves opposite, glabrous, the upper leaves short-petiolate or sessile, deeply divided into three lance-elliptic segments 1.5-4 cm. long; lower leaves with longer petioles, trifoliate with broad leaflets, or simple.


Flowers numerous, 1-several in the axils of reduced leaves or bracts, on elongate, slender, stipitate-glandular pedicels; calyx with 5 lobes longer than the tube; corolla light blue and white, sub-rotate, showy, 6-12 mm. wide, with a short tube with 5 lobes, slightly bilabiate; stamens 4, equal, exerted, the filaments pubescent; stigmas united.


Capsule opening along 4 sutures.

Accepted Name:
Tonella floribunda A. Gray
Publication: Geological Survey of California, Botany 1: 556. 1876.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Tonella floribunda in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Tonella floribunda checklist entry.

E-Flora BC: Tonella floribunda atlas page.

CalPhotos: Tonella floribunda photos.

USDA Plants: Tonella floribunda information.

17 photographs:
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