Erect or subdecumbent, stout, branched, with bright green leaves, and pseudo-racemose dense flowering branches, 1-1 1/2 ft. or more high; branches with a short tomentum, interspersed with longer hairs; leaves 3-nate, from spreading to squarrose, close-set or with longish internodes, linear to narrow-lanceolate, sulcate or more commonly open-backed, roughly and thickly or thinly pilose with tubercle-based hairs, 2-3 lin. long; flowers terminal, 3-nate, on short branchlets; pedicels pubescent, sometimes glandular, 1 1/2-2 1/2 lin. long; bracts remote, small, scarious, coloured; sepals ovate-lanceolate, keeled and keel-tipped, scarious, coloured, glabrous, shortly gland-ciliate, dry or viscid, 1-1 1/4 lin. long, somewhat shorter than the corolla-tube; corolla broad-urceolate, mouth more or less contracted, glabrous, dry or viscid, 1 1/4-1 3/4 lin. long; segments erect or somewhat spreading, 1/5-1/4 as long as the tube; filaments equal, straight; anthers subexserted, dorsifixed above the base, obovate-oblong, very obtuse, ciliolate along the margins, cells deeply partite and at length subdistant, under 1/2 lin. long, aristate; pore very wide, about 1/2 the cell in length; awns subulate, incurved, rough-edged, about 1/4 as long as the cell; style exserted, stout, dark red; stigma capitate; ovary lanate with long white hairs.
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Erect or scrambling shrublet to 40 cm. Flowers small, urn-shaped, purple, with slightly exserted anthers.