华山松与前红松弦切面上的木射线均呈两种状态，即单列木射线和纺锤形木射线；
Wood rays of p. armand and p. prokoraiensis on tangential section both had two shapes that was uniserial wood ray and spindle wood ray.
华山松与前红松弦切面上的木射线均呈两种状态，即单列木射线和纺锤形木射线；
Wood rays of p. armand and p. prokoraiensis on tangential section both had two shapes that was uniserial wood ray and spindle wood ray.
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