Stems ca. 42 cm, with dense grayish to brownish hairs of 2 lengths. Leaves unequal in each pair; petiole 1-4.5 cm; leaf blade oblique, ovate to elliptic, 6.5-15 X 5-8 cm, puberulent, yellow glandular, base oblique, auriculate to cordate on broad side, broadly cuneate on narrow side, margin crenulate, apex acute to acuminate. Peduncle 4.5-10 cm, villous; bracts linear, 3-5.5 mm, pubescent. Calyx ca. 1.1 cm; tube ca. 2 mm; lobes lanceolate-linear, 8-9.5 mm, apex often subulate. Corolla ca. 3.8 cm; tube ca. 2.7 cm; adaxial lip ca. 4 mm; abaxial lip ca. 1.1 cm. Stamens ca. 1 cm; central staminode ca. 0.5 mm, lateral 2 3.5-4.5 mm. Pistil ca. 2.8 cm; ovary ca. 1.2 cm, puberulent. Style sparsely puberulent basally; adaxial stigma ca. 1 mm, abaxial stigma nearly oblong, ca. 4 mm, apex truncate to emarginate. Capsule ca. 4 cm. Fl. and fr. Sep.
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