Nagabala, Snake Mallow (Sida Veronicaefolia) – Properties, Benefits & Dosage Description of Plant Nagabala (Sida Veronicaefolia) is a hairy herb with coarsely gray, brown colored hairy branches. Leaves are cordate, ovate and sparingly hispid with 6-14 cm length and 2-3.5 cm in width. Flowers are axillary, solitary, or borne in pairs or in small cymes. Color of flower is White, gradually turns yellow and brown color appear when they fully grown. Fruits are small sized and also yellow in color.