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en.wikipedia.org/wiki/Conifer_cone

A cone is an organ on plants in the division Pinophyta (conifers) that contains the reproductive .... although they closely resemble them. Alder trees are not even conifers, however the mature seed bearing structures closely resemble cones.

www.fs.fed.us/learn/trees/anatomy-of-tree

A: The outer bark is the tree's protection from the outside world. ... For example, the narrow needles of a Douglas fir can expose as much as three acres of ...

www.arborday.org/trees/ringstreenatomy.cfm

The anatomy of a tree is broken down in simple diagrams with explanations for each ... For example, the narrow needles of a Douglasfir can expose as much as  ...

treestewards.files.wordpress.com/2016/02/tree-anatomy-for-ts-2-2-16-rev-final.pdf

Restoring, enhancing and protecting the tree canopy of the Nation's Capital. ... Without knowledge of tree anatomy we would not .... Some Conifer Leaf Shapes ...

www.ncbi.nlm.nih.gov/pubmed/11830409

Tree Physiol. 2002 Feb;22(2-3):129-36. Needle anatomy changes with increasing tree age in Douglas-fir. Apple M(1), Tiekotter K, Snow M, Young J, Soeldner A, ...

www.britannica.com/plant/tree/Tree-structure-and-growth

The anatomy and organization of wood. Wood is ... Annual growth rings of a tree trunk(A) A Douglas fir (Pseudotsuga menziesii. Annual growth rings of a tree ...

www.isa-arbor.com/events/conference/proceedings/2014/2014_DrCoderTREEANATOMY.pdf

common tree growth forms, and visible tree tissues and their organization. Coverage includes twig, branch, stem, and periderm anatomy, along with identifying ...

www.sactree.com/assets/files/greenprint/toolkit/c/huntsvilleTreeGuide.pdf

Tree Anatomy. THE ANATOMY OF A TREE. The major parts of a tree are leaves, flowers and fruit, trunk and branches, and roots. LEAVES. Leaves are basically ...

creationwiki.org/Douglas-fir

Anatomy. The Douglas-fir is a unique tree which can grow up to 200 feet tall in its natural location in the West. It has branches which ...