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caudex

[kaw-deks] /ˈkɔ dɛks/
noun, plural caudices
[kaw-duh-seez] /ˈkɔ dəˌsiz/ (Show IPA),
caudexes. Botany
1.
the main stem of a tree, especially a palm or tree fern.
2.
the woody or thickened persistent base of an herbaceous perennial.
Origin
1820-1830
1820-30; < Latin: tree trunk; cf. codex
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for caudex
  • Tine-leaved milk-vetch is a coarse perennial with a woody taproot below a subsurface woody caudex.
  • Clammy ground cherry is perennial from a deeply buried caudex.
  • Slender locoweed is perennial from a heavy taproot topped by a knobby underground crown called a caudex.
  • Each year new shoots form along the edges of the woody caudex.
  • Yellow coneflower is a native perennial herb growing from a woody caudex up to one meter or taller.
  • Multiple stems grow from a woody caudex which is in turn attached to the deep tap root system of this species.
  • It can be identified by its alternate, pinnately compound leaves and multiple stems which arise annually from a woody caudex.
  • Several ascending to erect stems arise from a branched caudex.
  • Multiple stems grow from a woody caudex which is attached to the perennial root system of this legume species.
  • Stems, one to several, arise from a thick taproot or superficial or subterranean caudex.
British Dictionary definitions for caudex

caudex

/ˈkɔːdɛks/
noun (pl) -dices (-dɪˌsiːz), -dexes
1.
the thickened persistent stem base of some herbaceous perennial plants
2.
the woody stem of palms and tree ferns
Word Origin
C19: from Latin
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
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caudex in Science
caudex
  (kô'děks')   
  1. The thickened, usually underground base of the stem of many perennial herbaceous plants, from which new leaves and flowering stems arise.

  2. The trunk of a palm or tree fern.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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