Definition

Noun: - A tall evergreen tree of the spruce genus (Picea), characterized by its distinctive blue-green to silvery-blue needles, dense conical crown when young, and a mature form where lower branches may sweep downward, giving an older tree a more columnar shape. It is commonly known as the Colorado blue spruce.

Usage Examples

• Noun:
  • The Picea pungens in the arboretum is known for its striking silvery-blue foliage.
  • Landscapers often use Picea pungens as a focal point in gardens due to its color and shape.

Advanced Usage

• Horticultural Context: In botanical and landscaping contexts, is often specified by its cultivar names to denote particular shades of blue or growth habits (e.g., 'Glauca', 'Hoopsii').
  • For a particularly intense blue color, the cultivar Picea pungens 'Fat Albert' is recommended.

Variants and Related Words

• Common Names: Colorado blue spruce, blue spruce, Colorado spruce.
• Scientific Synonyms: While is the accepted scientific name, it may be found in older texts or specific contexts under other taxonomic classifications.
• Related Genus: (the spruce genus, which includes other species like , the Norway spruce).

Synonyms

• Colorado blue spruce
• Blue spruce

Notes

• This term is primarily used in scientific, horticultural, and botanical contexts. In everyday conversation, its common names ("blue spruce") are more frequently used.
• The specific epithet "" refers to the sharp, pointed tips of its needles.

Noun

1. tall spruce with blue-green needles and dense conic crown; older trees become columnar with lower branches sweeping downward