UW Burke Herbarium species comparison

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.

Leaves cauline, basal ones not typically persistent;

petioles 10-25 mm and gradually merging into blade, becoming sessile distally;

blade oblong-elliptic to oblong lanceolate, 25-60 mm long and 8-18 mm broad, palmate venation with 5-7 veins to nearly pinnate, base attenuate, margins evenly and shallowly toothed or scalloped with 10-20 teeth per side, apex acute to obtuse, surfaces glabrous.

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.

Axillary flowers 2-8, emerging distalmost nodes; fruiting pedicels 20-25 mm, glabrous;

calyx ovoid, inflated, compressed across sagittal plane, 13-14 mm, glabrous, throat closing;

corollas yellow with few or no reddish markings, symmetric bilaterally, bilabiate;

tube-throat funnel-shaped and 20-24 mm, protruding 10-15 mm beyond calyx margin;

limb expanded 2-30 mm;

styles prominently hirsute to villous;

anthers not protruding, glabrous.

Capsules 5-8 mm, included.