Leaves: petiole 1-2 mm. Leaf blade oblong to obovate or oblanceolate, 1-7 cm, margins revolute, apex acute to obtuse, broadly rounded, often notched. Inflorescences: peduncle slender, 1-2.5 cm. Flowers spreading-ascending to recurved, canary yellow, rarely purple, faintly fragrant; sepals 2-3, erect or slightly spreading, ovate to oblong, ca. 10 mm, apex acute; petals prevalently 6, ascending to slightly spreading, lance-oblong, ca. 1.5 cm × ca. 3-4 mm; pistils (2-)5(-7), fusiform. Berries 3-6 cm. Seeds 1-1.5 cm, ± compressed laterally.