Acicular:  Needlelike.
Afghan Pine:  Pinus oldarica - soft, short needles with sturdy branches; open a . . .
Angiosperm:  Means 'enclosed seeds' and identifies trees usually known as hard . . .
Arizona Cypress:  The Arizona cypress is a steeple shaped tree with a pale-green to . . .
Austrian Pine:  Pinus nigra - dark green needles, 4 to 6 inches long; retains nee . . .
Balsam Fir:  First described in 1768, balsam fir is a medium-sized tree genera . . .
Black Hills Spruce:  Pinus glauca var.densata - green to blue-green needles; 1/3'' to . . .
Blue Ice Cypress:  A cultivar of the Arizona cypress, this silvery-blue tree has a c . . .
Blue Spruce:  Picea pungens - dark green to powdery blue; very stiff needles, ¾ . . .
Bract:  A thin leaf-like structure often extending past the cone scale on . . .
Canaan Fir:  Canaan (pronounced 'Ka-naan', with emphasis on the last syllable) . . .
Carolina Sapphire Cypress:  This southern dweller is naturally broad . . .
Colorado Blue Spruce:  Colorado blue spruce, or blue spruce, is an attractive tree often . . .
Concolor Fir:  White fir, also commonly called concolor fir, is native to the we . . .
Cone:  Seed bearing structure of certain gymnosperms.
Conifer:  A gymnosperm which bears cones.
Cultivar (cultivated variety):  A unique form or type propagated and mai . . .
Deciduous:  Characteristic of leaves dropping in the fall.
Deodara Cedar:  Cedrus deodara - short, bluish-green needles; branches become pen . . .
Dioecious:  Having only one sex per plant.