UW Burke Herbarium species comparison

Leaves cauline, basal ones not persistent, commonly congested; subsessile to sessile;

blade oblong to lanceolate, 30-70 mm long and 10-22 mm broad, pinnate venation, base rounded, margins toothed to finely toothed, apex acute, surfaces 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 4-10, emerging from nodes at mid- to ends of stems; fruiting pedicels generally 22-50 mm, hairy as stems;

calyx winged, cylindric-campanulate, barely inflated, 10-12 mm, villous with gland-tipped hairs, lobes spreading noticeably, strongly unequal, linear-lanceolate to slender-triangular, 5-9 mm, apex long acuminate-apiculate;

corollas yellow, throat faintly marked with blackish-brownish lines, symmetric almost radially or weakly bilaterally, nearly regular or weakly bilabiate;

tube-throat slenderly bell-shaped, 15-18 mm, protruding beyond calyx margin;

lobe apex rounded;

styles glabrous;

anthers not protruding, covered with fine hairs that are stiff to slightly rigid.

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 6-8 mm, included.