Corolla greenish-white; anthers c. 4 mm long; base of calyx distinctly ventricose in fruit, narrowing abruptly to pedicel; seeds pale grey; leaves bluntly dentate-lobulate
Corolla golden-yellow with a dark purple throat; anthers c. 3 mm long; base of calyx tapering to pedicel, not ventricose; seeds yellowish-brown; leaves sharply and irregularly incised-dentate
