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.
Home