moonflower

plural moonflowers

1. Any of certain plants that flower at night:
   1. obsoleteAn ox-eye daisy (Leucanthemum vulgare).First known use 18th–19th c.
   2. A corn marigold (Glebionis segetum).
   3. Any member of certain species of the genus Ipomoea of morning-glory vines ,First known use 19th c.

      Hôtel Saint-George […] through whose exotic gardens of giant contorted euphorbia and sweet-smelling moonflowers Churchill and the titans of the Second World War strolled, laying plans for a world in which Anglo-Saxon predominance seemed assured in perpetuity.

      1977, Alistair Horne, A Savage War of Peace, New York: Review Books, published 2006, page 46

   4. especially, Ipomoea alba (tropical white morning-glory).First known use 19th c.

      Synonyms: moon flower, moonvine

   5. Any member of any of the species in the genera Cereus and Stenocereus (syn. Hylocereus) spp.) of columnar cactuses.
   6. Any member of any of the species in the genus Datura (devil's trumpets, thorn apples), including Datura innoxia (angel's trumpet).
   7. Any member of any of the species in the genus Mentzelia (blazingstars and stickleafs), including Mentzelia pumila (dwarf mentzelia).