. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 2U GREAT LAUREL Rhodendron maximum, Linnaeus GENUS DESOBIPTIONâ^The name Rhododendron is of Greek origin and meanB Rose tree. It comprises about 100 species of shrobs and a few small trees In the northern hemisphere. Aboat 10 species are native to North America and 1 to Pennsylvania. FORMâ^A shrub or small bushy tree. In this State usually a shrub from 6-12 ft. in height, but in the mountains of the Bouth It may reach a height of 86 ft. 8tem« often twisted, bearing contorted branches which form an Irregular round
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 2U GREAT LAUREL Rhodendron maximum, Linnaeus GENUS DESOBIPTIONâ^The name Rhododendron is of Greek origin and meanB Rose tree. It comprises about 100 species of shrobs and a few small trees In the northern hemisphere. Aboat 10 species are native to North America and 1 to Pennsylvania. FORMâ^A shrub or small bushy tree. In this State usually a shrub from 6-12 ft. in height, but in the mountains of the Bouth It may reach a height of 86 ft. 8tem« often twisted, bearing contorted branches which form an Irregular round head. BARSâ/Thin, reddUh-brown, at first close, later peeling off Into thin scales. TWIGSâAt first green and coated with rusty pubescence but become smooth during first winter, and gradually turn to bright red-brown. BUDSâAlternate; leaf-buds and flower-buds distinct. Leaf-buda usually axillary, sometimes terminal, dark green, cone-shaped, form In midsummer. Flower-buds usually terminal, cone- shaped, 1-1} inches long, covered by munerous, overlapping, green bracts. LEAVESâ-Alternate, simple, persistent, clustered at apex of branches, ovate to oblong, acute at apex, rounded to wedge-shaped at base, entire on niargln, 4-11 inches long, l}-2} inches wide, thick, leathery, smooth and dark green on upper surface, whitish on lower surface. LEAF-BCARftâAlternate, slightly raised, conspicuous, rounded at base, slightly depressed at top, with several bundle-scars arranged in a U-shaped line. FLOWERSâAppear about June after the new leaves are fully developed, are arranged in umbel-Uke clusters about 4-5 Inches In diameter, and borne on glandular pedicels. Individual flowers are perfect, pale rose to white In color; upper petals marked by yellowish-green dots. FRUIIV-A dark reddish-brown capsule about i of an inch long, which persists until the fol- lowing season. Capsules split open lengthwise liberating oblong flattened seeds. Surrounded at the base by persistent calyx and te
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