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湿地松(Pinus elliottii Engelmann)原产美国南卡罗来纳州到佛罗里达州中部以北,路易斯安那州东南沿海平原,其分布北限约北纬33度,垂直分布可达150米左右,为美国东南地区组成大面积森林主要树种之一。湿地松为复维管束的二或三针叶松。在原产地生长迅速,树干通直圆满,材质良好,富含树脂、松脂产量高。解放前我国在长江以南部分省(区)有小面积引种栽植,其生长状况在土质较好的地方基本上表现原产地的特性,有的地方已成林结实,种子繁育的后代具有亲本特性。江西省吉安市青原山
Pinus elliottii Engelmann native to South Carolina to the north of Florida, Louisiana southeast coastal plains, north of the distribution of about 33 degrees north latitude and vertical distribution of up to 150 meters, the United States for the large area of southeastern One of the main forest species. Slash pine is the second or third needle of the complex vascular bundle. Rapid growth in the country of origin, trunk straight round, good material, rich in resin, rosin high yield. Before the liberation of our country in the southern part of the Yangtze River in some provinces (regions) with a small area of introduction and planting, its growth in good soil where the performance of the basic characteristics of origin, in some places have become mature, seed breeding progeny with the parental characteristics . Ji’an City, Jiangxi Province Green Hill