Pinus Pinus, L.

20. P. strobus L. View in CoL , Sp. Pl. 1001 (1753).

Up to 50 m; crown pyramidal at first, later becoming broader; bark greyish-green and smooth on young trees, becoming brown and fissured on old trees. Twigs glabrescent, or remaining pubescent below leaftraces. Leaves 50-140 mm, slender, flexible, patent. Cone 8- 20 x 3-4 cm, cylindrical, often curved near apex, pendent. Seed 5-8 mm; wing 18-25 mm. Planted for timber, especially in C. Europe. [Au Be Bu Cz Da Ga Ge He It Po Rm Rs (C) Su Tu.] (E. & C. North America.)

P. aristata Engelm. , Amer. Jour. Sci. Arts ser. 2, 34: 331 (1862), from S.W. United States, a procumbent shrub or small tree up to 15 m, with leaves 20-40 mm, covered with a conspicuous resinous exudation, and cones 4-9 cm, is cultivated for timber on a small scale in Europe.