A herbaceous annual herb, stems twining or sometimes prostrate, and then sometimes rooting at the nodes, more or less densely retrorsely pilose. Leaves broadly ovate to orbicular in outline, entire or 3-lobed, 5—17 cm x 3.5—16 cm, base cordate, apex shortly or long-acuminate, petiole 2—18 cm long. Inflorescence, an umbellate cyme few-flowered, dense, peduncle (0.5—)4—20 cm long, bracts linear to filiform; pedicel 2—5(—8) mm long, sepals equal, 14—22 mm long, hairy or glabrous, corolla funnel-shaped, 5—8 cm long, bright blue or bluish-purple, afterwards more reddish-purple or red, the tube much paler to whitish, filaments hairy at base, ovary glabrous. Fruit a capsule, subglobose, 5/8 inch in diameter. Seeds 2, dark brown, pubescent. |