Robust heterophyllous perennials from a woody caudex; stems 3-7.5 dm tall, puberulent, often branching midway up the stem; leaves of the branches linear, about 1 mm wide and 25 mm long; leaves of the main stem 3-6 mm wide, 6-11 cm long, isophyllous among themselves, narrowly linear-lanceolate, moderately puberulent, involute; inflorescence moderately to densely glandular-pubescent, a modified cyme with only one branch at a node, this bearing 1-2 flowers; sepals 5-10 mm long; corollas straight, red, 28-40 mm long; anther sacs opening almost throughout, twisted, not at all explanate, the sutures not toothed; capsules 9-15 mm long, 4-valved, the lobes widely divaricate with dehiscence; seeds about 3 mm long. Flowers May and June.