#axis.stalk  the main stem or central part about which plant organs or plant parts such as branches are arranged
  supertype:  stalk__stem  a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
  part:  stele
  subtype:  rachis  axis of a compound leaf or compound inflorescence
  subtype:  spadix  the fleshy axis of a spike often surrounded by a spathe

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