Heracleum maximum / Pushki/ Indian celery.
Cow Parsnip is a biennial; it grows vegetatively during the first year and completes its life cycle during the second but will re-seed.
A large plant that grows from 3-10 feet tall. Leaves are 12"-18" and rough and hairy. Leaves are divided into 3 segments, with coarsely toothed leaflets and a broad wing at the base of each leaf stalk. Stems are rough, hairy, hollow and grooved. It has white or cream colored flowers with a sweet fragrance. Flowers have 5 petals of different sizes and are arranged in broad, flat-topped clusters at the top of short stalks. Blooms in mid-summer.
The juices of all parts contain a phototoxin that can act on contact with skin and exposure to ultraviolet light, causing anything from a mild rash to a blistering, severe dermatitis, depending on the sensitivity of the individual.