Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Open areas at lower elevations.
Flowers: April-June
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bees, flies, butterflies
Slender annual up to 1.5 dm. tall, the stem puberulent, often branched at the base, otherwise usually simple.
Leaves rather firm, palmately 3-7 cleft, up to 2 cm. long, the segments linear, harshly ciliate.
Flowers fragrant, sub-sessile in a dense, terminal, leafy cluster, the inflorescence leaves longer and more prominently ciliate than the lower; calyx firm, 5-10 mm. long, the 5 segments with needle-like tips; corolla with a very slender tube up to 3 cm. long, the throat yellow, the 5 abruptly-flaring, short lobes deep pink to purplish or white; stamens 5, the filaments attached in the corolla throat; style 3-parted; ovary superior.
Capsule with 3, several-seeded carpels.
PNW Herbaria: Specimen records of Leptosiphon bicolor in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Leptosiphon bicolor checklist entry
OregonFlora: Leptosiphon bicolor information
E-Flora BC: Leptosiphon bicolor atlas page
CalPhotos: Leptosiphon bicolor photos