cathedral cactus

noun

noun

Euphorbia trigona (African milk tree).

Desi's favorite indoor cacti include the white ghost cactus (a pale gray-green candelabra shape with pink flowers) and the African milk tree (also called a cathedral cactus, with small green leaves growing among thorns on tall, straight arms).2021 April 13, Emily L. Hay Hinsdale, Never Put a Cactus in the Bathroom: A Room-by-Room Guide to Styling and Caring for Your Houseplants, Simon and Schuster, →ISBN, page 80:

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