Progymnosperm

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A very early form of plant that produced both wood (like trees) and spores (like ferns).

    "Pycnoxylic wood is a primitive feature of progymnosperms with regard to manoxylic wood with wide and high rays."

  2. 2
    an ancestral fossil type from which modern gymnosperms are thought to have derived wordnet

Example

More examples

"Pycnoxylic wood is a primitive feature of progymnosperms with regard to manoxylic wood with wide and high rays."

Etymology

From pro- + gymnosperm.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.