Pinus banksiana Lamb.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Pinaceae

• Scientific Name

  Pinus banksiana Lamb.

• Description

  Species Description - Usually a small tree, or sometimes to 20 m, with spreading branches; winter buds less than 1 cm, pale cinnamon-brown, very resinous; lvs in 2’s, persisting 2–3 years, usually curved, 2–3.5 cm × 1–1.5 mm; cones erect or nearly so, long-persistent, typically remaining closed for several or many years or until fire, usually curved and asymmetrical, conic, yellowish-brown, 3–5 cm, the apophysis thickened, the umbo not elevated, spineless or with a minute, reflexed spine; seeds ca 1.5 cm. Dry or sterile, sandy or rocky soil; Que. to Me., Vt. and n. N.Y., w. to nw. Ind., Minn., and the Mackenzie Valley.

• Common Names

  Jack-pine