Distribution: Occurring east of the Cascades crest in south-central Washington; south-central Washington to California,
Habitat: Vernally moist areas, seeps, and stream banks from the lowlands to middle elevations.
Conservation Status: Sensitive in Washington (WANHP)
Annuals with shallow, fibrous roots; stems 5-12 cm, erect, not bent or curved at nodes, not branched or only slightly branched proximally, covered with minute stalked glands, gland-tipped hairs 0.1-0.3.
Leaves basal and cauline; petioles 2-9 mm with 3 distinct veins and 2 wings; blade elliptic-oblong to ovate or oblanceolate, 3-14 mm long and 2-9 mm broad, palmate venation with 3 veins, base cuneate to attenuate, margins finely toothed to entire, apex acute to obtuse, surfaces glandular-hairy as stems.
Axillary flowers 1-9, emerging from mid-stem to distal nodes; fruiting pedicels horizontally spreading-curved, 12-38 mm, glandular-hairy as stems; calyx cylindric, somewhat inflated, 7-10 mm, margins toothed or lobed, glandular-hairy as stems, lobes pronounced, erect; corollas yellow, tube-throat, palate ridges, lower limb yellow to light yellow, lower limb with red dots or not, symmetric bilaterally, barely bilabiate; tube-throat funnel-shaped and 6-9 mm, protruding beyond calyx margin; lobes widely obovate to somewhat orbicular, apex rounded; styles glabrous; anthers not protruding, glabrous.
Capsules 5-8 mm, included.