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Plants of the class Gymnospermae having seeds not enclosed in an ovary
Answer for the clue "Plants of the class Gymnospermae having seeds not enclosed in an ovary ", 10 letters:
gymnosperm
Word definitions for gymnosperm in dictionaries
WordNet
Word definitions in WordNet
n. plants of the class Gymnospermae having seeds not enclosed in an ovary
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Gymnosperm \Gym"no*sperm\ (j[i^]m"n[-o]*sp[~e]rm), n. (Bot.) A plant that bears naked seeds (i. e., seeds not inclosed in an ovary), as the common pine and hemlock. Cf. Angiosperm .
Wikipedia
Word definitions in Wikipedia
The gymnosperms are a group of seed-producing plants that includes conifers , cycads , Ginkgo , and Gnetales . The term "gymnosperm" comes from the Greek composite word γυμνόσπερμος (γυμνός gymnos, " naked " and σπέρμα sperma, "seed"), meaning "naked seeds", ...
Wiktionary
Word definitions in Wiktionary
n. (context botany English) Any plant such as a conifer whose seeds are not enclosed in an ovary.
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1830, from French gymnosperme and Modern Latin gymnospermus (17c.), literally "naked seed" (i.e., not enclosed in an ovary), from gymno- "naked" + sperma "seed" (see sprout (v.)).
Usage examples of gymnosperm.
The angiosperms -- flowering plants-- were gradually taking land away from the gymnosperms.
Belonging to an ancient group of gymnosperms, the hideous Welwitschia mirabilis could live for a thousand years or more.
Many of the land plants in the Permian Period such as conifers, sphenopsids, ferns, and seed ferns continued into the Triassic, while other gymnosperms such as cycads, cycadeoids and ginkgos appeared for the first time.
Belonging to an ancient group of gymnosperms, the hideous Welwitschia mirabilis could live for a thousand years or more.
These things had come from Mesozoic gymnosperms and conifers - especially Cretaceous cycads - and from fan palms and early angiosperms of plainly Tertiary date.
The sun seemed lower now, its horizontal rays illuminating the tops of the gymnosperms and casting the shadows beneath into deeper gloom.
Its lower levels were surrounded so tightly by the giant gymnosperms that the tower looked like a weathered crag rising from a green sea.
The sun set almost directly behind us, and for a few minutes the river was as red as molten lava, the undersides of the gymnosperms on either side aflame with reflected light.
Looking out from the hotel balcony shortly after eight o'clock, Kerans watched the sun rise behind the dense groves of giant gymnosperms crowding over the roofs of the abandoned department stores four hundred yards away on the east side of the lagoon.
Giant groves of gymnosperms stretched in dense clumps along the rooftops of the submerged buildings, smothering the white rectangular outlines.
The older gymnosperms did not become extinct, but assumed a minority role in the new ecology.
It was not that the birds drove out the flying reptiles, or that the teleosts and sharks drove out the ammonites and certain corals and swimming reptiles, or that the angiosperms drove out the gymnosperms, and certainly the mammals did not drive out the land reptiles.
Gymnosperms, cone-bearers, winged-seed scatterers, older and sterner by far than the soft-leaved, frail-limbed oaks and aspens.