Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California and Colorado, east to Ontario and Michigan.
Habitat: Lowlands to alpine meadows in vernally (springtime) moist areas.
Flowers: March-July
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, beetles, wasps
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.
Base of corolla is bent at obligue angle. In C. grandiflora the corolla is bent at right angle.
May hybridize with C. grandiflora.
PNW Herbaria: Specimen records of Collinsia parviflora in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Collinsia parviflora checklist entry
OregonFlora: Collinsia parviflora information
E-Flora BC: Collinsia parviflora atlas page
CalPhotos: Collinsia parviflora photos