Etymology: Pinus: the ancient Latin name
Plants: perennial, 60'-90' tall, evergreen tree; stems higher ones bright orange
Leaves: needles 2 per cluster, 1.5-3" long, bluish
Fruits: 1"-2.5" cones
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Flora of North America: Flora of North America WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Gymnosperms: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Landscape Plants of the Upper Midwest; UW-Extension: Note: INVASIVE. Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation