Branches slender, scaberulous, 6-8 in. or more long; leaves 3-nate, spreading or subsquarrose, straight, linear, blunt, flat above, deeply sulcate below, glabrous, 3-3 1/2 lin. long; flowers solitary, somewhat scanty and lax; pedicels rather slender, 2 lin. long or more; bracts remote, minute, between the middle and base; sepals ovate, acute, keeled, scarious, concave, glabrous, about 1/2 lin. long; corolla broad-cyathiform or subobconic, mouth slightly widened, glabrous, dry, about 1 lin. long; segments oblong, rounded, 3-4 times the length of the very short tube; anthers included to subincluded, manifest, lateral, dorsifixed near the base, narrow-obovate, smooth, 2/3 lin. long, muticous; pore 2/5 the length of the cell; style exserted, slender; stigma broad-capitate to subpeltate; ovary glabrous.
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Erect shrublet to 1.2 m. Flowers small, cup-shaped, pink.