Herbs, 30-70 cm tall, erect, blackish when dry, densely glandular hairy. Branches 3-5 pairs. Leaves short petiolate; leaf blade narrowly triangular-ovate, 1.5-2.5 X 0.8-1.5 cm, densely glandular hairy, nearly palmately 3-parted; median pinna larger than others, rhomboid-ovate, pinnately parted, with 3-6 ovate pinnules; lateral pinnae oblique triangular-ovate. Bracts foliaceous, as long as or shorter than calyx, rhomboid-ovate to ovate-lanceolate, densely glandular hairy, margin pinnately parted to subentire, apex acuminate. Pedicel 2-3 mm. Bracteoles 3-5 mm. Calyx tubular-campanulate; tube 1-1.5 cm; lobes 6-10 mm, margin entire. Corolla yellow, sometimes galea purplish; lower lip as long as galea, lobes triangular-ovate, ciliate with long multicellular hairs. Filaments densely pubescent. Ovary narrowly ovoid, 2-3 mm. Capsule 1.2-1.3 cm X ca. 3.5 mm. Seeds yellow-brown, 1-1.5 mm. Fl. Jun-Sep, fr. Sep-Oct.
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