E-Flora BC: Electronic Atlas of the Flora of British Columbia

General:
Perennial herb from a rhizome; stems erect, several, simple, slightly if at all dotted with reddish- or purplish-black spots, densely glandular-hairy, 60-120 cm tall.

Leaves:
Basal leaves lacking; stem leaves in whorls of 3 or 4, broadly lanceolate.

Flowers:
Inflorescence of axillary whorled flowers, 3-5 per axil in the upper part of the stems, leafy or on short branches; corollas uniformly yellow, 10-16 (18) mm wide, without streaks or dots, cup-shaped, 5-lobed, the 5-lobes glandular-fringed with small hairs; calyces green throughout, 5-lobed, the lobes to 10 mm long, the filaments fused at the bases, sterile stamens lacking; styles persistent.

Fruits:
Capsules, breaking into valves at dispersal; seeds few.