Pinus jeffreyi

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Standard Cyclopedia of Horticulture

Pinus jeffreyi, Balfour (P. ponderosa var. Jeffreyi, Vasey). Jeffrey's Pine. Tree, to 120 or occasionally to 180 ft., with short spreading or often pendulous branches, the uppermost ascending, forming an open pyramidal and sometimes narrow spire-like head : young branches glaucous, fragrant when broken: winter buds oblong-ovate, not resinous: lvs. stout, acute, pale bluish green, 5-8 in. long: cones conic-ovate, light brown, 6-12 in. long; apophysis depressed, keeled; umbo elongated into a slender recurved spine; seed about III. long. Ore. to Calif. 8.8.11:562,563. G.G. II. 22:813; III. 5:361,369. G.F. 5:185. B.M. 8257. G.W. 2, p. 199.— Distinct and ornamental pine of symmetrical habit when young, hardy as far north as Mass. Among the hardier species this pine has the longest lvs. CH


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