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Q infectoria

 
Oak "Oak" ([=o]k), n. [OE. oke, ok, ak, AS. [=a]c; akin to D. eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg.] 1. (Bot.) Any tree or shrub of the genus . The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an , which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and live many centuries. The wood is usually hard and tough, and provided with conspicuous medullary rays, forming the silver grain.
2. The strong wood or timber of the oak.
Note: Among the true oaks in America are:
, or
, {Q. nigra}.
, {Q. Michauxii}.
, {Q. tinctoria}; - called also or .
(see under .), {Q. macrocarpa}; - called also or .
, {Q. Prinus} and {Q. densiflora}.
(see under ), {Q. prinoides}.
, {Q. agrifolia}, of California; - also called .
(see under ), {Q. virens}, the best of all for shipbuilding; also, {Q. Chrysolepis}, of California.
. Same as .
, {Q. obtusifolia}.
, {Q. rubra}.
, {Q. coccinea}.
, {Q. ilicifolia}, {Q. undulata}, etc.
, {Q. imbricaria}.
, {Q. falcata}.
, or
, {Q. palustris}.
, {Q. bicolor}.
, {Q. aguatica}.
, {Q. lyrata}.
, {Q. Phellos}. Among the true oaks in Europe are:
, or
, {Q. Cerris} (see ).
, {Q. Suber}.
, {Q. Robur}.
,
, or
, {Q. Ilex}.
, {Q. coccifera}.
, {Q. infectoria}.
Note: Among plants called oak, but not of the genus , are:
, a valuable timber tree ().
{Australian, or She}, , any tree of the genus (see ).
, the teak tree (see ).
. See under .
, a sapindaceous tree ().
, the poison ivy. See under .
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