branches adpressed-pilose; leaves 1/2– 3/4 in. long, terete except for a single very narrow groove on the upper side, silky-pilose except when old; involucres 1-flowered, arranged in sessile solitary terminal spikes; spikes 1/2–1 in. long, ovate-lanceolate; subtending bracts 2 1/2 lin. long, linear, acute, pilose, equalling or slightly exceeding the involucre; involucre about 1 3/4 lin. long, bilabiate, pilose outside, glabrous within except for a ring of hairs at the base; upper lip lanceolate, entire, lower trilobed to near the middle, lobes lanceolate, acute; perianth-tube 3/4 lin. long, glabrous; segments 2 1/2 lin. long, linear-spathulate; claw tomentose; limb 1/2 lin. long, ovate, obtuse, villous outside; anthers sessile; hypogynous scales 3/4 lin. long, linear; ovary villous; style 2 1/4 lin. long, subterete, glabrous; stigmatic disk 1/4 lin. long, obovate, with a minute central conical stigma. null