Definition of gymnosperm in English:

gymnosperm

Syllabification: gym·no·sperm
Pronunciation: /ˈjimnəˌspərm
 
/

noun

Botany
A plant that has seeds unprotected by an ovary or fruit. Gymnosperms include the conifers, cycads, and ginkgo. Compare with angiosperm.
  • Subdivision Gymnospermae, division Spermatophyta
More example sentences
  • Taxonomists can now say that the ferns' closest cousins are the seed plants - angiosperms (flowering plants) and gymnosperms (such as conifers).
  • The known flora consists of 41 ferns and fern allies, 3 gymnosperms, 291 monocots, and 516 dicots.
  • Moreover, since the expression pattern is similar in a gymnosperm and in an angiosperm this function appears to be evolutionarily conserved.

Derivatives

gymnospermous

Pronunciation: /ˌjimnəˈspərməs/
adjective
More example sentences
  • In contrast, the interval between c.916m and 885.9Om is totally dominated by gymnospermous saccate pollen, with very few fern spores.
  • So this is a time period where gymnospermous plants predominated, including cycadioids which look like modern cycads, and various groups of extinct conifers and seed ferns.
  • The late Triassic showed major radiation of plants, gymnospermous groups in particular, in both the Northern and Southern Hemispheres.

Definition of gymnosperm in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day envenom
Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous