Herbs perennial, to 30 cm tall, not drying black. Roots not fleshy. Stems dichotomously branched or unbranched, pubescent. Leaves opposite; petiole ca. 3 cm, winged; leaf blade ovate-oblong to oblong-lanceolate, ca. 4 cm, pinnatisect; segments 5--7 pairs, widely spaced, linear, pinnatifid or dentate. Inflorescences 5--12 cm. Flowers opposite, 2--18 pairs; bracts ovate, ciliate, apex often pinnatisect. Calyx long ovate, membranous, ca. 1.3 cm, strongly 5-veined, ciliate along veins; lobes 5, unequal, triangular, posterior one smallest. Corolla pink, ca. 2 cm; galea ± bent at a right angle apically; beak horizontal, straight, slender; lower lip glabrous at margin, middle lobe smaller than prominent lateral lobes. Filaments pubescent. Capsule enclosed by accrescent calyx, ovoid, apiculate. Fl. Jul--Sep, fr. Aug--Sep.
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