division Gymnospermophyta — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… … Useful english dictionary
class Ginkgophytina — noun ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑Ginkgopsida, ↑class Ginkgopsida, ↑Ginkgophytina, ↑subdivision Ginkgophytina … Useful english dictionary
class Ginkgopsida — noun ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑Ginkgopsida, ↑Ginkgophytina, ↑class Ginkgophytina, ↑subdivision… … Useful english dictionary
class Gymnospermae — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… … Useful english dictionary
division Spermatophyta — noun seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and… … Useful english dictionary
Ginkgophytina — noun ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑Ginkgopsida, ↑class Ginkgopsida, ↑class Ginkgophytina, ↑subdivision… … Useful english dictionary
Ginkgopsida — noun ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta • Syn: ↑class Ginkgopsida, ↑Ginkgophytina, ↑class Ginkgophytina, ↑subdivision… … Useful english dictionary
Gymnospermae — noun plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina… … Useful english dictionary
gymnospermous tree — noun any tree of the division Gymnospermophyta • Hypernyms: ↑tree • Hyponyms: ↑gnetum, ↑Gnetum gnemon, ↑ginkgo, ↑gingko, ↑maidenhair tree, ↑Ginkgo biloba, ↑ … Useful english dictionary
Spermatophyta — noun seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and… … Useful english dictionary
