Most everyone knows that we use proteins, carbohydrates and fats for energy. Calories are measurement of a unit of heat or food energy. For example, we can achieve four calories per gram of proteins and carbohydrates, and nine calories per gram from fats.
Tree Variety. Virginia pine (Pinus virginia) is the major Christmas tree species for the acidic soils found in East Texas. A grower can produce a 6- to 8-foot Virginia pine Christmas tree in 3 to 5 years, depending on soil and climatic conditions.
Botanical Name: Veitchia merrillii. Christmas Palm Tree makes a magnificent tropical house plant. This adorable palm looks like a miniature of the Royal Palm -- the stately giants you see lining boulevards in South Florida and California. It grows from a single trunk, which supports a crown of arched, pinnate leaves.