Herbs annual, slender, soft. Stems numerous, repent, ca. 20 cm, densely hirsute. Leaves opposite; petiole 1.5--10 mm, hirsute; leaf blade rounded, elliptic or elliptic-oblong, to 8 X 7(--8) mm, base truncate or slightly cordate, pinnatifid to pinnatipartite; segments 3 or 4 pairs, margin double dentate. Flowers solitary in axils. Pedicel ca. 5 mm. Calyx cylindric, ca. 5.5 X 2 mm, densely pubescent, slightly cleft anteriorly; lobes 5, ± equal, with long stipitate bases, dentate. Corolla 2--2.3 cm; tube ca. 1.6 cm; galea bent at a right angle apically; beak slightly 2-cleft at apex; lower lip ca. 6.5 X 7.5 mm, glabrous. Fl. May--Jun, fr. Jul--Aug.
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