Erect, 1-1 1/2 ft. high; branches ascending or spreading, the upper angular; leaves 3-nate, erect or adpressed, imbricate or shorter than the internodes, linear or linear-lanceolate, keeled, 1 1/2-3 lin. long; flowers 3-nate, mostly clustered; pedicels mostly glandular or puberulous, 1-2 1/2 lin. long; bracts subremote, lax, linear to lanceolate, 1-2 lin. long; sepals erect or slightly incurved, not spreading, ovate, acuminate, the alternate pair a little narrower, keeled, in the dried state more or less transversely wrinkled across the keel, about 2 lin. long, usually about as long as the corolla; corolla campanulate-tubular, sometimes marked with 12 more or less prominent parallel veins, rosy or white, 2-2 1/4 lin. long; segments slightly spreading, rounded, concolorous, about 1/3 the length of the tube; anthers longitudinally subsemiovate, subacute; cells deeply parted, smooth, 1/2 lin. long, crested; pore 2/3 the length of the cell; crests sublanceolate, incised, 2/5 the length of the cell; style included; ovary ovoid, with a conical projection at the apex, depressed in the centre.
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Erect shrublet to 60 cm. Flowers small, calycine, campanulate, pink or white.