Petiole to 6 cm, rust-brown villous and pubescent; leaf blade elliptic to oblong, 1.5-8 X 1.1-3 cm, adaxially densely gray villous and sparsely brown villous and pubescent or sparsely villous to puberulent, abaxially white pubescent and densely brown villous or villous to puberulent, base cuneate to cordate, margin crenate to lobulate with lobes crenate; lateral veins 4 or 5 on each side of midrib, inconspicuous or conspicuous abaxially. Peduncle 4-10 cm, brown villous; bracts linear to oblong, 2-5 X 0.7-1.2 mm, brown villous. Calyx 5-sect from base; segments oblong to narrowly lanceolate, 3-6 mm, outside brown villous, margin entire. Corolla orange to yellow, 1.5-2.5 cm; limb 2-lipped; adaxial lip ca. 4 mm, 2-lobed, lobes suborbicular, 1.5-3 X 1.5-2 mm; abaxial lip 6-7 mm, lobes obovate, 4-6 X 2-3.5 mm. Stamens included, 0.8-1.3 cm; filaments glabrous; staminode ca. 3 mm. Disc ca. 2.5 mm, subentire. Pistil 0.7-1.4 cm, glabrous. Capsule 2-3.4 cm. Fl. Jun-Jul.
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