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Perennial herb from rhizome; stems solitary, erect, 20-100 cm tall, spreading-hairy, some gland-tipped, 4-angled.
Opposite, lance egg-shaped to narrowly elliptic or lance-oblong, 3-10 cm long, 1-4 cm wide, toothed, spreading- or appressed-hairy, some gland-tipped; short-stalked; lower leaves deciduous.
Inflorescence a crowded, spike-like raceme 5-20 cm long; bracts slender, about 1 cm long or less; corollas tubular, purplish, 11-18 mm long, 2-lipped, the lower lip longer than tube, with a broad, declined central lobe, the upper lip represented by 2 lobes that appear to be part of the lower lip, the corolla split on the upper side to the mouth of the calyx; calyces bell-shaped, 5-7 mm long, teeth 5, the upper 3 teeth deltoid or broader, pointed to blunt, the lower 2 longer and lance awl-shaped.
Nutlets, 4, almost completely joined.
Source: The Illustrated Flora of British Columbia