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gymnosperm::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Type of | seed plant, phanerogam, spermatophyte |
| Has types | welwitschia mirabilis, cycad, progymnosperm, pteridosperm, seed fern, welwitschia |
| Derivation | gymnospermous |
Examples of gymnosperm
gymnosperm
In Jurassic gymnosperm forests, there is evidence of high frequency, light surface fires.
From the en.wikipedia.org
Gymnosperm taxa like Bennettitales died out before the end of the period.
From the en.wikipedia.org
Gymnosperm pollen attached to the abdomen and wing of a thysanopteran from the Alava amber.
From the sciencedaily.com
The gymnosperm vegetative meristem lacks organization into distinct tunica and corpus layers.
From the en.wikipedia.org
The receptive part of the gymnosperm ovule is called the micropyle.
From the en.wikipedia.org
More than one embryo is usually initiated in each gymnosperm seed.
From the en.wikipedia.org
The Christmas tree will have been a phanerogram, not a cryptogram, and a gymnosperm, not an angiosperm.
From the newscientist.com
Relative wood durability or resistance to decay generally was greater in gymnosperm than in angiosperm wood types.
From the sciencedaily.com
Most recent systems place Welwitschia mirabilis in its own family Welwitschiaceae in the gymnosperm order Gnetales.
From the en.wikipedia.org
- Plants of the class Gymnospermae having seeds not enclosed in an ovary
- Gymnosperms are seed-bearing plants, whose seeds do not form inside fruits but outside the ovum.
- (Gymnosperms) Plants bearing naked seeds; without an ovary.
- (gymnosperms) Vascular plants that develop their seeds from exposed ovules hidden within cones rather than in an ovary as in angiosperms. Gymnosperms do not posses petals or ovaries, but do produce pollen and ovules. ...
- (Gymnosperms) Trees that produce seeds that are often collected together into cones; most conifers are gymnosperms.
- (Gymnosperms) produce egg cells in conelike structures without ovaries, and are frequently referred to as non-flowering plants.
- Gymnosperms differ from the angiosperms in having naked seeds with no enclosing carpellary structures (eg. pines and cypress).
- A plant whose seeds are not enclosed in flowers. Most gymnosperms produce their seeds on the surface of the scales of female cones and are pollinated by wind. Conifers are the most common type of gymnosperm.
- Any class of seed plants that produce naked seeds not enclosed in fruit such as conifers.
