![Cross section through the trunks of scots pine trees Pinus sylvestris a common softwood. The difference between the heart wood (dark) and the sap wood Stock Photo - Alamy Cross section through the trunks of scots pine trees Pinus sylvestris a common softwood. The difference between the heart wood (dark) and the sap wood Stock Photo - Alamy](https://c8.alamy.com/comp/2ACDHTX/cross-section-through-the-trunks-of-scots-pine-trees-pinus-sylvestris-a-common-softwood-the-difference-between-the-heart-wood-dark-and-the-sap-wood-2ACDHTX.jpg)
Cross section through the trunks of scots pine trees Pinus sylvestris a common softwood. The difference between the heart wood (dark) and the sap wood Stock Photo - Alamy
![110+ Scots Pine Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Scots pine tree, Scots pine cone, Scots pine christmas tree 110+ Scots Pine Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Scots pine tree, Scots pine cone, Scots pine christmas tree](https://media.istockphoto.com/id/690455324/vector/flat-green-trees-vector-illustration-set-stone-pine-spruce-maple-birch-cedar-oak-brachychiton.jpg?s=612x612&w=0&k=20&c=-mE235SAHQ9Zoi5iv5uE0BJuIa_NylZm_DimOoQFKYE=)
110+ Scots Pine Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Scots pine tree, Scots pine cone, Scots pine christmas tree
![Figure 1 from Scots pine (Pinus sylvestris L.) heartwood formation and wounding stress: A view from the transcriptome | Semantic Scholar Figure 1 from Scots pine (Pinus sylvestris L.) heartwood formation and wounding stress: A view from the transcriptome | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/84fa74caf75a48f489572604683301e308e2b0c9/16-Figure1-1.png)