actinostele

noun ac·tin·o·stele \ak-ˈti-nə-ˌstēl also ˌak-tə-(ˌ)nō-ˈstē-lē\

Definition of actinostele

plural

-s

  1. :  a vascular core (as in most roots and some stems) having the xylem and phloem in alternating or radial groups within a pericycle — compare stele

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Origin and Etymology of actinostele

actin- + stele


First Known Use: 1902


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