crassulacean

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English[edit]

Etymology[edit]

Crassulaceae +‎ -an

Adjective[edit]

crassulacean (not comparable)

  1. Of or pertaining to the family Crassulaceae of dicotyledons.
    • 2009 May 31, Dominique Browning, “Gardening Books”, New York Times:
      His description of crassulacean acid metabolism, wherein cacti, yuccas, agaves and sedums open their stomata at night when it’s cooler in order to “bind carbon dioxide on special molecules much like we bind oxygen on hemoglobin in our blood” had me on edge for hours.