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单词 rock pine
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rock pine
rock pine n. now rare (a) any of several North American pine trees; esp. a subspecies of the Ponderosa pine, Pinus ponderosa subsp. scopulorum, of the Rocky Mountain area. (b) any of several Australian cypress trees of the genus Callitris (formerly Frenela) (obsolete).
ΚΠ
1832 R. Mudie Bot. Ann. vii. 356 Perhaps the species which has the most northerly locality is Pinus Banksiana, the Hudson's Bay pine, or rock pine.
1889 J. H. Maiden Useful Native Plants Austral. 546 Frenela robusta..is known as ‘Rock Pine’ in Western New South Wales.
1930 J. E. Kirkwood N. Rocky Mt. Trees & Shrubs 20 The Rock Pine (Pinus scopulorum Lemmon) closely resembles the Western Yellow Pine, and there is considerable doubt as whether or not it should stand as a separate species.
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