Purissima is a Division 13 – Fosteriana tulip. Formerly k0wn as White Emperor this elegant large flowered variety has white petals with ivory colouration at the base and a slight tinge of pale green. It is a sturdy plant that blooms early. It is a good and reliable garden plant but one that is also much in demand from flower arrangers. Its qualities have been recognised by the RHS Award of Garden Merit.