Acanthocalycium spiniflorum f. violaceum (lilac flower cactus)is a globular to elongated cactus. It is known for its delightful pale-lilac flowers and ribbed body armed with dense yellow or honey-coloured spines. The flowers appear most heavily in spring and summer https://t.co/WiolE9g02r

— Lil cactus (@Lilcactus4) 2018.9.4