a shrub up to 1 1/2 ft. high; branches glabrous, bark reddish-purple; leaves 1/2– 3/4 in. long, terete, acutely mucronate, glabrous; involucres 1-flowered, arranged in sessile solitary terminal racemes; racemes 1/2– 3/4 in. long; subtending bracts 2 lin. long, linear, acute, long-ciliate; secondary peduncles nearly 1 lin. long, slightly pubescent; involucre 1 1/2 lin. long, bilabiate, pilose outside; upper lip subulate-lanceolate, entire, lower tripartite almost to the base, segments subulate-lanceolate, acute, long-ciliate; perianth-tube about 1 lin. long, as long as the claw, glabrous; segments about 2 lin. long, linear-spathulate, villous outside; limb elliptic, obtuse, densely villous outside; anthers sessile; hypogynous scales 1/2 lin. long, narrowly linear; ovary pubescent; style 2 1/2 lin. long, slender, subterete, bent near the apex; stigmatic disk oblique, 1/6 lin. long, obovate. null