Petiole 2.5-14 cm; leaf blade oblanceolate to obovate or elliptic, 4.5-12 X 2-6.2 cm, adaxially whitish to brownish sericeous, abaxially appressed pubescent, margin subentire, apex slightly obtuse; lateral veins 4 or 5 on each side of midrib. Peduncle 7-12 cm, brownish pubescent; bracts narrowly lanceolate, ca. 5 X 1 mm. Calyx 1.2-1.4 cm; tube 2-4.5 mm; adaxial lip linear to narrowly triangular, 5-9 mm; abaxial lip 4-lobed from above to near middle, lobes triangular, 3.5-8 mm, outside pubescent. Corolla 2.5-5 cm, outside sparsely pilose; tube ca. 2.5 cm; lobes suborbicular; adaxial lip lobes ca. 4 mm; abaxial lip lobes ca. 6 mm. Adaxial stamens ca. 1.3 cm, abaxial ones ca. 1.4 cm; filaments glandular pilose. Pistil included; ovary ca. 6 mm. Style ca. 3 cm, glandular puberulent. Capsule ca. 1.6 cm. Fl. Apr-Jan, fr. Jan-Sep.
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