Himalaya pine Pinaceae Pinus
wallichiana A.B. Jacks. symbol: PIWA3
Leaf: Evergreen needles, 4-8 inches long, fascicles of 5, fascicle sheath deciduous; grayish or bluish-green with 4-6 rows of white stomatal bands on each ventral surface; slender and distinctly pendent, persisting for 3 to 4 years.
Flower: Species is monoecious; male strobili are borne low in the crown in dense clusters; females are borne higher in the crown and start out erect before becoming pendent.
Fruit: Long, woody cones, 6-12 inches long, narrowly conical, yellowish brown at maturity, pendent, resinous. Grow in clusters of 1-6. Cone scales are broadly wedge-shaped and wide near their apex; end in a blunt umbo.
Twig: Young twigs are glaucous and pale gray-green before darkening with age; buds are conical, resinous, and pointed; generally gray-brown with a red or orange tinge.
Bark: Orange-brown to gray-brown; initially smooth but developing shallow fissures and flakey plates over time.
Form: A large conifer, 150-200 feet tall at maturity; broadly pyramidal in shape with a loose, open crown. Branches are often short and down-curved; occur in regular whorls.
Looks like: eastern white pine - western white pine
Additional Range Information: Pinus wallichiana is planted in the USDA hardiness zones shown above and is not known to widely escape cultivaton.
External Links: USDA Plants Database
All material © 2018 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson; Silvics reprinted from Ag Handbook 654