Entirely glabrous, or the pedicels minutely hairy; branches ascending, slender, sometimes very numerous and filiform; leaves 3-nate, erect, subadpressed, imbricate, or only a little longer than the internodes, linear or narrow-lanceolate, acute, mucronate, very smooth, often with a narrow pellucid margin and apex, 1 1/2-2 1/2 lin. long; flowers 3-nate, or by arrest of branchlets often axillary, somewhat more lax and the flowers less crowded than in the allied species; pedicels slender, minutely hairy, 2-3 lin. long; bracts 3, remote, the 2 upper small, the lower basal, larger, or absent; sepals ovate, acuminate, acute, keel-tipped, concave, somewhat spreading, mostly about 1 1/4 lin. long, reaching to about 1/2 the length of corolla-tube, pale or darker rosy-red, concolorous; corolla elongate-ovoid-urceolate, the neck rather long-tapering, only slightly contracted at the throat, rosy or darker red, 2-2 1/2 lin. long; segments ovate, obtuse or subacute, spreading or early connivent, 1/3-1/2 the length of the tube, concolorous; anthers oblong, obtuse, pallid, 1/4-1/3 lin. long, minutely aristate; pore over 1/2 the length of the cell; awns free, tooth-like; style included; stigma capitate.