Inflorescence 3–12 cm. long, sparsely pilose, usually with several opposite, ovate flowerless bracts well below inflorescence, flowers shortly racemose in upper third or half, subsessile; bracts ovate.
Corolla white with purple markings; c. 1.5 cm. long, upper lip nearly as long as lower, lobes very obtuse.
Calyx c. 8 mm. long, shortly and acutely toothed, sparsely hispid on nerves.
Rosette, perennial herb; rhizome stout, horizontal, with numerous roots.
Capsule no longer than calyx.