UW Burke Herbarium species comparison

Mat leaves thick and firm, glaucous, glabrous or with short, spreading hairs, irregularly serrulate, the broadly elliptic or obovate blade 8-18 mm. long;

leaves of the flowering shoots opposite, few, less than 1 cm. long.

Leaves opposite, all cauline, the lowermost reduced, the others numerous, sessile, lanceolate to broadly oblong, 4-10 cm. long and 1-3 cm. wide, sharply serrate or occasionally sub-entire.

Inflorescence a compact, few-flowered raceme, glandular-hairy;

calyx 6-11 mm. long, the 5 segments narrowly lance-elliptic to ovate-oblong;

corolla bright pink to rose-purple, 25-35 mm. long, keeled on the back, usually glabrous inside and out;

anthers long-woolly;

pollen sacs wholly dehiscent and opening wide enough to form a plane;

staminode slender, shorter that the fertile filaments, nearly glabrous.

Inflorescence a narrow, terminal panicle, or nearly a raceme;

calyx 2.5-6.5 mm. long, the 5 segments scarious margined and toothed, usually glabrous;

corolla bright lavender to purple-violet, 25-38 mm. long, over 1 cm. wide at the mouth, glabrous inside and out except for the marginal hairs on the lobes; the 4 fertile filaments pubescent toward the tip, the lower pair exerted;

anthers permanently horseshoe-shaped, 1.6-2.0 mm. long;

pollen sacs remaining saccate and indehiscent on the lower half, glabrous except for the hairs along the sutures;

staminode shortly exerted, with a long, white beard along the flattened tip.

Capsule

Capsule 6-9 mm. long.