Herbs annual, less than 2.6 cm tall, ± drying black. Roots filiform, slender. Stems 1--3, with 3 or 4 pairs of ovate to lanceolate scales at base, with 4 lines of hairs. Basal leaf petiole ca. 3 X 0.5 mm, glabrous; leaf blade rounded, membranous; segments 2 or 3 pairs, irregular-dentate. Stem leaves in whorls of 3 or 4; petiole to 6 mm, narrowly winged; leaf blade ovate to ovate-oblong, 4--7 cm, abaxially white scurfy, adaxially glabrous, pinnatipartite to pinnatisect; segments ca. 5-pairs, ovate, margin lobed. Inflorescences to 2 cm; bracts leaflike, shorter than flowers. Calyx ca. 3 mm, membranous, slightly cleft anteriorly; lobes 5, unequal; posterior one subulate, lateral lobes leaflike, 3-divided. Corolla ca. 1.1 cm; tube decurved ± at middle, ca. 6 mm, slightly expanded apically; galea slightly falcate, rounded in front, apex slightly truncate; lower lip ca. 3.5 X 5 mm, middle lobe rounded, slightly smaller than lateral lobes. Filaments glabrous. Fl. Jul--Aug, fr. Sep.
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