Description from Flora of China
Petunia violacea var. hybrida J. D. Hooker.
Herbs annual, 30-60 cm tall, glandular hairy. Leaves short petiolate or subsessile; leaf blade ovate, 3-8 × 1.5-4.5 cm, base cuneate, margin entire, apex acute. Pedicel 3-5 cm. Calyx deeply parted, 1-1.8 cm × 3.5 mm; lobes linear, 1-1.5 cm × 3.5 mm, obtuse. Corolla white, red, yellow, or purple, sometimes fragrant, funnelform, 5-7 cm, limb spreading. Style slightly exceeding stamens. Capsules conical, ca. 1 cm. Seeds subglobose, ca. 0.5 mm in diam.
Ornamental plant of hybrid origin.