cactus

n. type of spiny succulent plant

For other meanings, see Cactus (disambiguation).This article is about the plant family. For the genus Cactus, see Mammillaria, Melocactus, and Opuntia.Cacti redirects here. For the software, see Cacti (software).A cactus (plural cacti, cactuses or cactus) is any member of the succulent plant family Cactaceae, native to the Americas. They are often used as ornamental plants, but some are also crop plants. Cacti are distinctive and unusual plants, which are adapted to extremely arid and hot environments, showing a wide range of anatomical and physiological features which conserve water. Their stems have expanded into green succulent structures containing the chlorophyll necessary for life and growth, while the leaves have become the spines for which cacti are so well known.
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Noun
1. any spiny succulent plant of the family Cactaceae native chiefly to arid regions of the New World
(hypernym) succulent
(hyponym) pitahaya cactus, pitahaya, Acanthocereus tetragonus, Acanthocereus pentagonus
(member-holonym) Cactaceae, family Cactaceae, cactus family

n. cactus

n. cactus, type of spiny succulent plant