Herbs 20-40 cm tall. Stems subterete when young then 4-angled, 2-sulcate, pubescent along furrow. Petiole 0.8-2.5 cm, pubescent; leaf blade ovate-elliptic, 5-13 × 2.3-5.7 cm, papery, abaxially subglabrous or puberulent along veins, adaxially glabrous, secondary veins 5-7 on each side of midvein, base broadly cuneate to attenuate, margin slightly undulate, apex acuminate to obtuse. Spikes axillary, 1-sided; bracts 4-ranked, sterile and fertile ones similar, obovate, 7-11 × 4-8 mm, abaxially glabrous, margin slightly ciliate, apex rounded; bracteoles oblong-elliptic, ca. 10 × 4 mm, margin hyaline and ciliolate. Calyx ca. 7 mm; lobes subulate, margin ciliolate. Corolla white with rose dots, ca. 1.8 cm, outside and inside slightly gland-tipped puberulent; tube cylindric and ca. 2.5 mm in diam. for ca. 9 mm, inside with a saccate papilla; lower lip ca. 6 × 3 mm, patent, 3-lobed, central lobe larger; upper lip ca. 5 mm, erect, 2-lobed. Staminal filaments ca. 5 mm, glabrous; anther thecae ca. 2 mm. Ovary glabrous; style ca. 1.3 cm, glabrous. Capsule not seen. Fl. Jan-Feb.
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