常绿乔木,高15米,胸径2米,树冠延伸至46米;为一低矮多枝、强劲独特树形。大体沿美国东南大西洋海岸线分布,自弗吉尼亚东南部起,经佐治亚南部、佛罗里达(含群岛)、阿拉巴马南、密西西比南、路易斯安那南,至德克萨斯,俄克拉荷马西南有星散分布,南至墨西哥东北山地。产区气候温暖潮湿,年降雨量800~1650毫米,生长季节3~9月降雨量460~760毫米,西部夏季干旱。夏季平均温度27℃,冬 Evergreen trees, 15 meters high, 2 meters in diameter at breast height, extends 46 meters to the crown; a low and many branches, strong unique tree. Roughly along the southeastern Atlantic coastline of the United States, starting from southeastern virginia, via southern Georgia, Florida (including archipelago), south of Alabama, south Mississippi, south of Louisiana, to Texas, southwestern Oklahoma Distribution, south to Mexico northeast mountain. The climate in the producing areas is warm and humid with an annual rainfall of 800-1650 mm and a rainfall of 460-760 mm in the growing season from March to September and a drought in the western part in summer. Summer average temperature of 27 ℃, winter