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Quercus robur acorns in various stages of ripening, on an oak plank, Sweden. Quercus robur is planted for forestry, and produces a long-lasting and durable heartwood, much in demand for interior and furniture work. The wood is identified by a close examination of a cross-section perpendicular to fibres. The wood is characterised by its distinct ...
Quercus alba (white oak) [144] Yields high-quality wood that tolerates a range of soils. The acorns are an important food source for more than 180 wildlife species. Uses: timber; landscaping, sap resins, veneers. [145] All
Sprouting acorn of Quercus robur Acorns play an important role in forest ecology when oaks are plentiful or dominant in the landscape. [ 6 ] The volume of the acorn crop may vary widely, creating great abundance or great stress on the many animals dependent on acorns and the predators of those animals. [ 7 ]
– California scrub oak – # California; Quercus bicolor Willd. – swamp white oak – eastern and midwestern North America; Quercus × bimundorum E.J.Palmer — two worlds oak; Quercus boyntonii Beadle – Boynton's post oak – south central North America; Quercus canariensis Willd. – Mirbeck's oak or Algerian oak – # North Africa & Spain
Oak timber is a strong and hard wood with many uses, such as for furniture, floors, building frames, and veneers. [70] The wood of a red oak Quercus cerris (the Turkey oak) has better mechanical properties than those of the white oaks Q. petraea and Q. robur; the heartwood and sapwood have similar mechanical properties. [71]
The forest floor is now littered with apples and acorns. Outdoors Columnist Oak Duke shares what that means for deer hunting this fall. Deer hunting in a bumper crop year: How to capitalize on ...
Galls (upper left and right) formed on acorns on the branch of a pedunculate (or English) oak tree by the parthenogenetic generation Andricus quercuscalicis.. The large 2 cm gall growth appears as a mass of green to yellowish-green, ridged, and at first sticky plant tissue on the bud of the oak, that breaks out as the gall between the cup and the acorn.
Quercus sect. Lobatae was established by John Claudius Loudon in 1830. [3] The section, or part of it, has also been treated under names including Quercus sect. Rubrae Loudon and Quercus sect. Erythrobalanus Spach. It has also been treated as the subgenus Erythrobalanus and as the full genus Erythrobalanus (Spach) O.Schwarz. Its members may be ...
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