Acicular: Needlelike.
Afghan Pine: Pinus oldarica - soft, short needles with sturdy branches; open appearance; mild fragrance; keeps we
Angiosperm: Means 'enclosed seeds' and identifies trees usually known as hardwoods.
Arizona Cypress: The Arizona cypress is a steeple shaped tree with a pale-green to gray-green color. The leaves are e
Austrian Pine: Pinus nigra - dark green needles, 4 to 6 inches long; retains needles well; moderate fragrance.
Balsam Fir: First described in 1768, balsam fir is a medium-sized tree generally reaching 40-60 feet in height a
Black Hills Spruce: Pinus glauca var.densata - green to blue-green needles; 1/3'' to ¼'' long; stiff needles may be dif
Blue Ice Cypress: A cultivar of the Arizona cypress, this silvery-blue tree has a citrus aroma and a narrow steeple sh
Blue Spruce: Picea pungens - dark green to powdery blue; very stiff needles, ¾'' to 1 ½'' long; good form; will
Bract: A thin leaf-like structure often extending past the cone scale on conifers.
Canaan Fir: Canaan (pronounced 'Ka-naan', with emphasis on the last syllable) is a relative newcomer to the Chri
Carolina Sapphire Cypress: This southern dweller is naturally broad and has a strong scent of lemon and mint. It's very similar
Colorado Blue Spruce: Colorado blue spruce, or blue spruce, is an attractive tree often used for Christmas trees or as orn
Concolor Fir: White fir, also commonly called concolor fir, is native to the western United States and may reach s
Cone: Seed bearing structure of certain gymnosperms.
Conifer: A gymnosperm which bears cones.
Cultivar (cultivated variety): A unique form or type propagated and maintained for specific purposes.
Deciduous: Characteristic of leaves dropping in the fall.
Deodara Cedar: Cedrus deodara - short, bluish-green needles; branches become pendulous at the tips; native to Himal
Dioecious: Having only one sex per plant.
Douglas Fir: Douglas-fir is not related to the true firs. This wide ranging species grows from 70 to 250 feet tal
Drupe: A simple fleshy fruit which often has only one seed.
Eastern Red Cedar: The branches of the eastern redcedar are compact and form a pyramidal crown, except in older trees.
Eastern White Pine: Beginning with the British colonists, eastern white pine (or white pine) has proven to be one of the
Evergreen: Characteristic of retaining at least some leaves through the fall and winter.
Fascicle: A cluster or bundle, usually referring to groups of needles in certain pines.
Flower: Reproductive structure of a plant.
Fraser Fir: In many respects, Fraser fir and balsam fir are quite similar, although the geographic ranges of the
Fruit: Seed bearing part of a plant.
Grand Fir: The grand fir is one of the tallest firs, reaching heights of 300 feet. It is easily distinguished f
Gymnosperm: Means 'naked seeds' and identifies trees usually known as softwoods or evergreens. Christmas trees a
Habit: Shape or form of a plant.
Habitat: Location where a plant lives.
Hybrid: Cross between two plants, usually indicates between two species.
Leaf: Plant structure which is the primary location for photosynthesis. Long slender leaves are often refe
Leyland Cypress: The name Leyland cypress is used to describe a group of trees where all the members are sterile hybr
Monecious: Plant with both sexes on the same individual.
Morphology: Dealing with form and structure.
Needles: Long, slender leaves typical of many gymnosperms.
Noble Fir: In the wild, the trees are tall, beautifully symmetrical and grow to over 200 feet in height. The ba
Nomenclature: Naming of an organism.
Nordmann Fir: The preferred Christmas tree in Europe, this evergreen is becoming increasingly popular in the Unite
Nordmann Fir: Abies nordmannia - dark green, flattened needles, shiny, silvery-blue below, ¾ to 11/2 inches long.
Norway Spruce: Norway spruce is one of the most important species on the European Continent. More than 100 forms an
Norway Spruce: Picea abies - needles ½'' – 1'' long and shiny, dark green. Needle retention is poor without prop
Phloem: Conducting tissue for products of photosynthesis.
Pollination: Transfer of pollen from the male to the female.
Ponderosa Pine: Pinus ponderosa - needles lighter colored than Austrian Pine; good needle retention; needles 5'' - 1
Red Pine: Pinus resinosa - dark green needles 4''-6'' long; big and bushy.
Scale: Small, suppressed leaf as found in junipers, or the individual unit of a cone under which the seeds
Scotch Pine: Scotch or Scots pine is an introduced species which has been widely planted for the purpose of produ
Species: Taxonomic classification below genus. Also a group of individuals considered set apart form other sp
Sterigmata: Small, peg-like structures on which the individual needles of some species can be found.
Strobili: A reproductive structure of conifers and certain other plants. Consists of organs of one or both sex
Taxonomic : Dealing with the description, classification and naming of organisms.
Variety: Taxonomic classification below the level of species, which indicates morphological or genetic differ
Virginia Pine: The Virginia pine's needles occur in pairs. They are twisted and range from 1.5 to 3'' in length. Th
White Pine: A White Pine decorated with lights and ribbons makes a very attractive Christmas Tree. However, its
White Spruce: White spruce is a medium-sized conifer found in northeastern United States and throughout Canada. It
Xylem: Conducting tissue of plants involved in transport of water and nutrients upward in the tree.