An erect herb 5–8 in. high, everywhere densely covered with soft grey pubescence, branched from the base; rootstock erect, bearing small scales; branches about 1/2 lin. thick, rather densely leafy. Leaves opposite, decussate, closely adpressed to the branches, linear-lanceolate, 5–6 lin. long, about 3/4 lin. broad, entire, thickened and somewhat callose at the apex. Spikes slender, densely-flowered, up to 3 in. long; bracts like the leaves but somewhat shorter; bracteoles linear, 2 lin. long. Calyx 2 3/4–3 lin. long, 5-nerved, 5-toothed, scarious between the nerves, softly pubescent on the teeth and nerves; teeth narrowly triangular, 1 1/4 lin. long (except the uppermost, which is much smaller). Corolla pale lilac, whitish or white, glandular-pubescent outside; tube about 5 lin. long, narrow below, slightly curved and much inflated above; upper lip obovate, emarginate, 2–2 1/2 lin. long, 1 1/2 lin. broad; lobes of the lower lip linear, about 5 lin. long and 2/3 lin. broad.
