Entirely glabrous; floriferous branchlets densely fastigiate-corymbose, 1-2 in. long; leaves 3-nate, erect, adpressed, imbricate, ovate (Bentham) or lanceolate, very acute, sulcate, concave, the upper 2 lin. long; flowers 3-nate, pseudo-corymbose in our specimens, erect; pedicels 2-2 1/2 lin. long; bracts narrow-lanceolate, remote, 2 lin. long; sepals oblong-lanceolate, acute, apiculate, keeled, margins hyaline, 3 lin. long; corolla tubular, slightly inflated, 4-4 1/2 lin. long; segments cordate-ovate, acute, 1/2 the length of the tube; anthers broad-oblong, very obtuse, 1/4 lin. long, narrow-crested; pore 1/2 the length of the cell; crests minute, 1/3 the length of the cell, and not reaching below its base; style included; stigma capitate.
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Erect, slender shrublet to 30 cm. Flowers in many-flowered heads, medium, calycine, tubular-urn-shaped with spreading lobes, pink with paler tips.