Definition of caudex in US English:

caudex

noun

Botany
  • The axis of a woody plant, especially a palm or tree fern, comprising the stem and root.

    • ‘Extremely old specimens of Ibervillea sonorae may have caudices up to three feet in diameter.’
    • ‘The caudex is basically a reservoir for the nutrients stored and not a tool for absorption.’
    • ‘Some caudices lay deep down in the ground, protected from extreme weather conditions and animals.’
    • ‘Many of the yellow chestnut oak seedlings at this site were actually sprouts from large caudices.’
    • ‘Some species, however, have both rhizomes and caudices.’
    stem, shoot, trunk, stock, cane, bine, bent, haulm, straw, reed
    View synonyms

Origin

Late 18th century: from Latin, earlier form of codex.

Pronunciation

caudex

/ˈkôdeks/