Related Words

Gymnosperm: Means 'naked seeds' and identifies trees usually known as softwoods or evergreens. Christmas trees are nearly always gymnosperms.

Gymnosperms: Flowerless, seed-bearing land plants; the first seed plants; living groups include the pines, ginkgos, and cycads. Naked seeds.

Conifer: A gymnosperm which bears cones.

Cone: The cone-shaped diaphragm of a speaker. This is directly attached to the voice coil motor which actions produces the pulsation's of air that the ear detects as sound. Also useful for holding . . . View Full Definition

Needles: Long, slender leaves typical of many gymnosperms.

Microspores: Four haploid cells produced by the meiotic division in the pollen sacs of fiowers or microsporangia of gymnosperms. Microspores undergo mitotic division and become encased in a thick protect . . . View Full Definition

Hardwoods: Term applied to dicot trees, as opposed to softwoods, a term applied to gymnosperms.

Angiosperms: Flowering plants. First appearing at least 110 million years ago from an unknown gymnosperm ancestor, flowering planbts have risen to dominance in most of the worlds floras. The male gametop . . . View Full Definition

Conifers: Group of gymnosperms that reproduce by cones and have needle-like leaves (in general); includes the pines.

Cycadeoids: A group of gymnosperm seed plants not closely rated to, but superficially similar to, the cycads. Cycads and cycadeoids were dominant floristic elements of early and middle Mesozoic landscap . . . View Full Definition