Annuals, 1-2 meters high, less branched, pubescent. Kidney-shaped leaves, the upper part of the oval, often split 3-5, 2-5 cm long, 2.5-7 cm wide, with serrated edge or teeth, above puberulous, sparsely stellate pubescent beneath; petiole length 3 -7 cm, villous; stipules ovate, 4-5 mm long, apex acumen, villous. Purple flowers, solitary axillary, pedicels 1.5-4 cm, sparsely hairy rough volt pubescent; bracteoles 3, equilateral triangle, with teeth, 8 mm long, 14 mm wide, the lower Hopson, both sides are sparsely pubescent; calyx cup-shaped, five-lobed, lobes triangular-ovate, slightly longer than the bracts small, densely stellate pubescent; corolla diameter of about 6 cm, petals 5, obovate, ca. 3 cm, apex rounded, base narrowly, bald net; stamens column about 8 mm; style base dilated, discoid, about one centimeter in diameter, carpel 10-189 white, with colorless spreading stripes, some fringe network shape. Flowering from April to August.