Botany Biology Phenology Ecology Distribution Agricultural importance Chemical control
| Description : | Terrestrial, annual, erect herb. Roots fibrous, brown or white. Stems quadrangular, hollow, hairy. Stipules absent. Leaves simple, lobed or entire, alternate spiral, stalked, ovate, more than 2 cm long/wide, hairy on both sides, margin entire, undulate or coarsely dentate, apex acute, base acute, pinnately veined. Flowers bisexual, solitary, axillary, petals 5, white or yellow. Fruits a berry, surrounded by calyx. |