Pinus ponderosa

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Standard Cyclopedia of Horticulture

Pinus ponderosa, Douglas (P. Benthamiana, Hartw.). Yellow Pine. Bull Pine. Fig. 2970. Tree, to 150, occasionally to 230 ft., with stout spreading and often pendulous branches usually ascending at the ends and forming a narrow, spire-like head : branchlets orange-brown, fragrant when broken: winter buds oblong-ovate or ovate, resinous: lvs. acute, dark green, 5-11 in. long: cones almost sessile, often in clusters, ovate- oblong, light reddish or yellowish brown and lustrous, 3-6 in. long: apophysis depressed- pyramidal or flattened, with a broadly triangular umbo terminated by a stout, usually recurved prickle; lower scales with more elongated apex; seed 1/4 in. long. Brit. Col. to Max., east to Neb. and Texas. S.S. 11:560,561. G.F.8:395. G.C. 111.8:557, 561. 569. F.S.R. 3, p. 99. M.D.G. 1905:126.— One of the tallest and most important pines of the western states. Hardy as far north as N. Y., and in sheltered positions to Mass. Var. pendula, H. W. Sarg., has drooping branches. Var. scopuldrum, Engelm. (P. scopulorum, Lemm.), is a geographical variety, smaller in every part; usually to 75 ft. high: lvs. 5-7 in. long, sometimes in 2's: cones smaller, ovate. S. D. to Max. and Texas. S.S. 11:564. G.C. II. 9:797. M.D. 1912, p. 364. Somewhat hardier than the type.—P. Malletii, Mott., is probably a form of this species with more ascending branches forming a rather narrow pyramidal head. R.H. 1913, p. 265. Fig. 2970 ia adapted from Pacific R. R. Report CH


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