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rhizocarpous

[rahy-zoh-kahr-puh s]
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adjective Botany.
  1. having the root perennial but the stem annual, as perennial herbs.
Also rhi·zo·car·pic [rahy-zoh-kahr-pik] /ˌraɪ zoʊˈkɑr pɪk/.

Origin of rhizocarpous

First recorded in 1825–35; rhizo- + -carpous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rhizocarpous

rhizocarpous

adjective
  1. (of plants) producing subterranean flowers and fruit
  2. (of perennial plants) having roots that persist throughout the year but stems and leaves that wither at the end of the growing season
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012