描述形态: 在墨西哥湾周围、安的列斯群岛,以至尼加拉瓜东北部,有俗称《斯拉许松》(Slash Pines)的三叶松。中乔木或大乔木,高15～30米,径30～100厘米,枝下高12米或超过之。叶浓密,冠呈锥状,生长盛期枝斜向上生长;老龄植株枝平展,树冠则呈圆形。幼树树皮灰色,较光滑,成龄树皮逐渐变厚,转为红棕色或橙色,并呈大而薄的长方块状开裂和剥落。 Description Morphology: Around the Gulf of Mexico, the Antilles and to the northeast of Nicaragua, there is the Slash Pine, commonly known as “Slash Pines.” In the trees or large trees, high 15 to 30 meters, diameter 30 to 100 cm, branches 12 meters high or more. The leaves are dense, the crown is cone-shaped, and the branches of growth grow diagonally upward. The branches of aged plants are flat and the crown is round. Sapling bark gray, relatively smooth, adult bark gradually become thicker, turning reddish brown or orange, and were large and thin rectangular crack and peel.