Perennial herb 0,1-0,2 m tall, branch­ing from the base; stems arising annually from a woody rootstock, ascending to spreading, slender, sparingly branched, fairly densely hispidulous. Leaves very shortly petiolate; blade oblong-elliptic to linear-oblanceolate, 14-20 x 2-4 mm, hispidulous, apex obtuse, base cuneate, margin entire or with a pair of minute teeth near the apex. Inflorescence simple or occasionally with a pair of branches near the base, consisting of 2—7 spaced or fairly crowded verticils; verticils 4—10-flowered; bracteoles few, lanceolate to linear-filiform, 3—6 mm long, hispidulous, somewhat spine-tipped; flowers sessile. Calyx hispidu­lous, 5—7 mm long at flowering, enlarging slightly at maturity, mouth symmetrical, 8 —11-toothed; teeth deltoid-subulate, spine-tipped, 1 — 1,5 mm long. Corolla small, white; upper lip 2,5 mm long; lower lip 5—6 mm long. Fig. 5:5.