BabelNet

bn:00019508n

Noun Concept

Categories: Articles with 'species' microformats, Extant Late Devonian first appearances, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Articles with short description, Gymnosperms

Gymnospermae class Gymnospermae Gymnospermophyta division Gymnospermophyta

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 (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida) WordNet 3.0