Petiole to 4 cm, rust-brown villous; leaf blade orbicular, 1.2-2.4 X 1.4-2.2 cm, adaxially appressed pubescent, abaxially sparsely pubescent, base cordate, margin crenulate, apex rounded; lateral veins 4 or 5 on each side of midrib, distinct. Cymes 1-3-flowered; peduncle ca. 7.5 cm, rust-brown villous; bracts 2, oblong, 2.5-4 X ca. 1.5 mm, rust-brown villous, margin entire. Pedicel ca. 2 cm. Calyx segments oblong, ca. 5 mm, margin entire. Corolla yellow, ca. 1.6 cm, outside pubescent; tube cylindric, narrowing toward throat, ca. 9 X 4 mm; limb 2-lipped; adaxial lip 2-sect from near base, lobes ca. 3.5 X 2.5 mm; abaxial lip lobes 4.5-5.5 X ca. 3 mm. Stamens adnate to corolla 1.2-1.5 mm above base, 5-5.5 mm; filaments slender, pubescent; anthers broadly oblong, 2-loculed, dehiscing longitudinally, connective glabrous; staminode 1, ca. 1 mm. Disc 1-1.5 mm, 5-lobed from near middle. Pistil 2-5 mm; ovary glabrous. Style pubescent; stigma 1, disc-shaped. Capsule ca. 1.5 cm. Fr. Oct.
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