fairy castle cactus

English edit

Noun edit

fairy castle cactus (plural fairy castle cacti)

  1. The miniature cultivar of the cactus Acanthocereus tetragonus.
    • 2019, Fran Bailey, Zia Allaway, Royal Horticultural Society Practical Cactus & Succulent Book: How to Choose, Nurture & Display 200 Cacti & Succulents, Dorling Kindersley Limited, →ISBN, page 77:
      One of the most popular cultivars of Acanthocereus tetragonus, the fairy-castle cactus produces bright green ribbed stems that soon form small clusters.