#nocturnal flowers

• Arthrocereus — A genus of succulent plants in the Cactaceae family, endemic to the mountainous and arid regions of Brazil, particularly in the state of Minas Gerais. These species are structurally characterized by thin, cylindrical, poorly branched or decumbent stems, covered with dense and fine spines, producing large, nocturnal, white or pale-pink flowers adapted for pollination by moths.