Very similar to the last species in habit and foliage. Leaf-blade small, orbicular in outline, palmately 5-lobed to the base with the basal lobes usually again bilobed, about 2.5–3.5 cm. in diameter; lobes obovate, up to 2.5 cm. long and 2.2 cm. wide, rounded in outline at the apex, strongly cuneate at the base, sharply toothed; petiole 0.5–2.5 cm. long. Peduncle 1.5–2 cm. long, often conspicuously winged, 1–2-flowered; bracts leafy, up to 2.0 cm. long, with 3 pinnatifid lobes; pedicels 5–7 mm. long. Sepals elliptic, 6–7 mm. long, 3–3.5 mm. wide, obtuse, the outer cuspidate, smooth, tuberculate or cristate. Corolla white; tube narrowly cylindric, 1.7–2.1 cm. long, 1.5–2 mm. in diameter; limb funnel-shaped, 9 mm. long, 13 mm. wide. Capsule globose, 6–7 mm. in diameter, 6-valved. Seeds 6, trigonous, about 3 mm. long, pubescent, brown.
