#spike.inflorescence  (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
  supertype:  #inflorescence  the flowering part of a plant or arrangement of flowers on a stalk
  subtype:  #spikelet  a small spike (as the inflorescence on grasses and sedges)
  part:  #spadix  the fleshy axis of a spike often surrounded by a spathe

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