quercus's Usage Examples:

Of Cupuliferae, Quercus in three species only reaches Colombia, but Fagus, with only a single one in North America, is represented by several from Chile southwards and thence extends to New Zealand and Tasmania.

And it is interesting to note that while the tropical forms of Quercus failed to reach Australia from Malaya, the temperate Fagus crept in by a back door.

Perhaps even more striking is the absence 01 Cupuliferae; Quercus, in particular, which from Tertiary times ha~ been a conspicuous northern type and in Malavan tropical condition~ has developed others which are widely divergent.

China has 66 species of Quercus, 35 of Vitis, 2 of Aesculus, 42 of Acer, 33 Magnoliaceae (including two species of Liriodendron), 12 Anonaceae, 71 Ternstroemiaceae (including the tea-plant), and 4 of Clethra, which has a solitary western representative in Madeira.

The Mediterranean basin has been a centre of preservation of Mibcene vegetation: the oleander is said to have been found in local deposits of even earlier age, and the hoim oak (Quercus hex) is the living representative of a Miocene ancestor.

Quercus Robur has left no trace in the Tertiary deposits of Europe and it is most nearly all~d to east Asiatic species.

Torreya, now confined to North America and Japan, still lingered,- as did Ocotea, now profusely developed in the tropics, but in north temperate regions only existing in the Canaries: the evergreen oaks, so characteristic of the Miocene, were reduced to the existing Quercus hex.

In these islands, we find forests i or woods of oak (Quercus Robur and Q.

The iron tree (Parrotia persica), the silk acacia, Carpinus betulus, Quercus iberica, the box tree and the walnut flourish freely, as well as the sumach, the pomegranate, and the Gleditschia caspica.

- Flowers of Oak (Quercus).

quercus's Meaning':