Common name: Bicolor Persian Violet • Hindi: Avachiretta, Bara-charayatah, Habshi-charayatah • Marathi: उडी चिरायत Udi chirayat • Tamil: செடீ Cheti • Kannada: Dodda Chirayutha • Bengali: Koochuri • Assamese: Sher-ri-takti
Botanical name: Exacum tetragonum Family: Gentianaceae (Gentian family)
Synonyms: Exacum tetragonum var. stylosa, Exacum perottetii, Exacum bicolor
Bicolor Persian Violet is an annual herb, 0.5-1 m high. Stem are
quadrangular. Oppositely arranged, stalkless leaves are narrow,
elliptic-lancelike or ovate-lancelike, with a sharp tip and rounded base.
Flowers are large and showy, occuring in cymes at the end of branches. The
four long, ovate sepals are joined together. Flower tube is long, with petals
up to 2 cm long, broadly ovate, acute, white below, blue at tips. Stamens 4,
filaments equal, short, dilated at base.