Perennials, to 40 cm tall. Roots to 5 mm in diam. Stems hollow or basally woody, glandular hairy. Basal leaves scalelike. Upper leaves petiole to 1.3 cm, narrowly winged; leaf blade ovate-elliptic to ovate-lanceolate, 3-8 X 3-5 cm, margin coarsely and irregularly double serrate. Thyrses short spicate or subcapitate, 2-8 cm, with 2-4 nodes; cymes opposite; peduncle short. Pedicel short. Calyx 4-5 mm, densely glandular hairy; lobes broadly oblong to broadly elliptic, apex obtuse to rounded. Corolla yellow, 1-1.5 cm, outside glandular hairy; tube slightly inflated, bent forward; upper lip ca. 2.5 mm longer than lower lip, lobes orbicular, with overlapping margins. Staminode linear-cuneate. Style 2 X or more as long as ovary. Capsule broadly ovoid, ca. 1 cm. Fl. May-Jun, fr. Jul-Aug.
Home