Search results
Results From The WOW.Com Content Network
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 ...
Andricus quercuscalicis (Burgsdorf, 1783) (Hymenoptera: Cynipidae) [7] is a small gall wasp with an obligate two-phase life-cycle that requires both pedunculate oak (Q. robur L.) (or occasionally sessile oak Q.petraea L.) [3] and Turkey oak (Quercus cerris L.). Therefore, as with most oak gall wasps, this species has alternate sexual and ...
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] Of the North American red oaks, the northern red oak, Quercus rubra, is highly prized for lumber.
Quercus robur L. – pedunculate oak, English oak or French oak – Europe, West Asia; Quercus rugosa Née – netleaf oak or Rugosa oak – # southwestern U.S., northwestern Mexico; Quercus × schuettei Trel. — Schuette's oak — US, Canada; Quercus sebifera Trel. – # Mexico; Quercus segoviensis Liebm. – Mexico and northern Central America
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 ]
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 ...
It is in the white oak section, Quercus sect. Quercus, and is also called mossycup oak, mossycup white oak, blue oak, or scrub oak. The acorns are the largest of any North American oak (thus the species name macrocarpa , from Ancient Greek μακρός makrós "large" and καρπός karpós "fruit"), and are important food for wildlife.
Here’s how the humble oak got a cool name. Charles Hammer. October 16, 2024 at 6:00 AM. ... a site rich in life, from Quercus macrocarpa for huge burr oaks in the backyard, ...