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黑龙江省泰来县东方红林场于1985年在本场1970年栽植的一片樟子松人工林中发现了一棵与一般樟子松形态特征显著不同的樟子松,经专家观察评议暂定名为钻天松。这株18年生钻天松高达4.41米、胸径8厘米。其形态特征与一般樟子松的主要区别是:(1)钻天松顶芽似柱形,芽脂少,而樟子松顶芽为尖形,芽脂多。(2)钻天松幼果为球形,球果下垂,而樟子松的幼果为长卵形,果球不下
Donglihonglin Farm, Tailai County, Heilongjiang Province, discovered a Pinus sylvestris var. Mongolica different from the Pinus sylvestris var. Mongolica plantation planted in 1970 in Pinus sylvestris var. Mongolica plantation in 1970, Drilling day pine. This 18-year-old Dried Pine is up to 4.41 meters in diameter and 8 cm in diameter. The main difference between morphological characteristics and Pinus sylvestris var. Mongolica is that: (1) The Pinus tabulaeformis is cylindrical with less buds, while the Pinus sylvestris var. (2) Osmanthus Trichosanthes globose, drooping cones, and young pine is a long ovoid, fruit ball no less