Collins Concise English Dictionary © HarperCollins Publishers::

century plant n
  1. an agave, Agave americana, native to tropical America but naturalized elsewhere, having very large spiny greyish leaves and greenish flowers on a tall fleshy stalk. It blooms only once in its life, after 10 to 30 years (formerly thought to flower after a century)
    Also called: American aloe



'century plant' also found in these entries:
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