Page author: David Giblin
Collinsia parviflora
small-flower blue-eyed Mary
Note the opposite leaves in the middle of the plant, and whorled ones at the top. Flowers are clearly bilabiate (two-lipped) with blue lower lip. Hairiness along the stems is also evident in the photo.
Populations of C. parviflora often occur as masses of individual plants.
WTU specimens
Other herbaria

Distribution: Widely distributed throughout Washington; Alaska south to California and Colorado, east to Ontario and Michigan.

Habitat: Lowlands to alpine meadows in vernally (springtime) moist areas.

Flowers: March-July

Origin: Native

Conservation Status: Not of concern


Herbaceous annual with single or branched stems growing to height of 5-40 cm. Plants often found growing in masses.


Opposite, mostly glabrous and entire-margined; leaves sometimes whorled near top of plant; up to 5 cm. long and about 1 cm. wide. Stems and flower pedicels often have short hairs that are sometimes glandular.


4-7 mm. long, bilabiate (two-lipped) with blue lower lip and white to whitish pink upper lip; lower half of corolla tube fused and abruptly bent near base forming a small sac on upper side of corolla base.


Ellipse-shaped capsule up to 5 mm. long and typically shorter than the sepals.

Identification Notes:

Base of corolla is bent at obligue angle. In C. grandiflora the corolla is bent at right angle.


May hybridize with C. grandiflora.

Accepted Name:
Collinsia parviflora Lindl.
Publication: Bot. Reg. 13: pl. 1082. 1827.

Synonyms & Misapplications:
Collinsia grandiflora Lindl. var. pusilla A. Gray
Additional Resources:

PNW Herbaria: Specimen records of Collinsia parviflora in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Collinsia parviflora checklist entry.

E-Flora BC: Collinsia parviflora atlas page.

CalPhotos: Collinsia parviflora photos.

USDA Plants: Collinsia parviflora information.

60 photographs:
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