萌芽松(pinus rigda mill)也叫美国短三叶松。该树种在伐根沿木质部与韧皮部间能生长出幼苗,树干及大枝具有极强的萌生特性,故得称萌芽松。该树种原产美洲,树皮黑褐色、材质较坚硬,有黑骨松之称。乔木,树高可达25米,叶三针一束,长3—14厘米,球果短小,长3—7厘米,鳞脐具尖刺。大约在1933年左右引种到辽宁省丹东市东沟县安民公社东安民大队。此外,在熊岳城的树木园也有少量分布。在丹东市的造林株行距为1×1米,现树令40年左右,每 Pinus rigda mill is also called American short-tailed pine. The tree species in the cutting root along the xylem and phloem to grow seedlings, trunk and branchlets have a strong germination characteristics, it is called sprout pine. The species native to the Americas, bark dark brown, more rigid material, known as the black bone pine. Trees, tree height up to 25 meters, three leaves a bunch of leaves, long 3-14 cm, short cones, 3-7 cm long, scales umbilical spikes. About 1933 or so introduced to Dandong City, Liaoning Province Donggou An Min commune Dongan People’s Brigade. In addition, there is a small amount of distribution in the Xiong Yuecheng arboretum. In Dandong afforestation spacing of 1 × 1 m, the order is about 40 years, each