UW Burke Herbarium species comparison

Leaves mostly cauline, basal leaves generally not persistent;

petioles 8-25 mm near base, 3-5 mm mid-stem, sessile distally;

blade ovate-triangular to ovate-lanceolate, typically 20-50 mm long and 10-30 mm broad, palmate venation with 5-7 veins, base rounded to truncate to shallowly cuneate, margins sharply toothed, apex acute, surfaces occasionally becoming glabrous, distalmost surfaces hairy as stems.

Leaves opposite, deltoid-ovate to sub-cordate, dentate or denticulate, sub-palmate or nearly pinnately veined, the blade 1-3 cm. long, the petiole shorter.

Axillary flowers generally 2-7, emerging from nodes at ends of stems; fruiting pedicels 18-35 mm, distalmost pedicels hairy as stems with hairs often barely deflexed;

calyx green with occasional red spots, ovoid, inflated, compressed across sagittal plane, 15-19 mm, hairy as stems, throat closing, lobe margins villous;

corollas yellow, throat commonly red-spotted, symmetric bilaterally, bilabiate;

tube-throat widely funnel-shaped, 18-26 mm, protruding 10-15 mm beyond calyx margin;

limb expanded 22-30 mm;

styles prominently hirsute to villous;

anthers not protruding, glabrous.

Flowers solitary in the leaf axils on long pedicels;

calyx 4-8 mm. long, the 5 acute, equal teeth less than 2 mm. long;

corolla yellow with some red dots, 6-14 mm. long, only slightly bilabiate, the lips about equal and only slightly flaring, the throat with pubescence on the lower side;

stamens 4.

Capsules 8-10 mm, included.

Capsule.