What is the meaning of the word "jack pine"?

Definitions:

  1. A small to medium-sized evergreen tree native to northern North America. copy to clipboard NOUN
    • Jack pines are known for their adaptability, as they can thrive in various soil conditions and climates. copy to clipboard
  2. A small, hardy North American pine with very short needles, found chiefly in Canada. copy to clipboard NOUN
    • Jack pines have a unique appearance, with twisted and gnarled branches and a dense canopy of needles. copy to clipboard
  3. A species of pine tree native to North America. copy to clipboard NOUN
    • Jack pines, with their rugged appearance and resilience, have become iconic symbols of the northern forest. copy to clipboard
  4. Slender medium-sized two-needled pine of eastern North America, with yellow-green needles and scaly grey to red-brown fissured bark. copy to clipboard NOUN
    • The needles of jack pines are short and sharp, giving them a distinct texture. copy to clipboard

Synonyms: