Willow herb (Epilobium parviflorum) is a perennial herbal plant. It has thick rhizomes with short shoots at it base. The stem is tall and cylindrical with hairs. It has narrow-lanceolate leaves which are small and sharply toothed. The flowers of willow herb are small and red-purple in color with four petals, eight stamens and a stigma with four lobes. The fruits of willow flower herb are elongated capsules which contain seeds that are covered with numerous silky hairs. Willow herbs usually bloom between June and August. Phytochemical Composition of Epilobium parviflorum The chemical composition of willow herb can be classified accordingly as follows: Flavonoids These include Kaempferol, Kaempferol-3-O-rhamnoside, Kaempferol-3-O-glucoside, Quercetin,…