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The base of a Yellow Birch trunk. In botany, the trunk (or bole) is the stem and main wooden axis of a tree, [1] which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk is the most important part of the tree for timber production.
Trochodendron aralioides, sometimes colloquially called wheel tree, is a flowering plant and the sole living species in the genus Trochodendron, which also includes several extinct species. It was also often considered the sole species in the family Trochodendraceae , though botanists now include the distinct genus Tetracentron in the same family.
A medium to large tree, up to 40 metres tall and 75 cm in trunk diameter. The bark is greyish brown, not smooth and irregular. The base of the cylindrical trunk is flanged. Leaves alternate and variable in shape, simple or pinnatifid, the leaf margins wavy. 12 to 20 cm long. Leaf venation is clearly seen above and below the leaf.
Branch attachment in common ash Fraxinus excelsior L. Figure 1: Anatomical drawing of the wood grain of a branch attachment in a tree. Initially branches are mechanically attached to the trunks of trees by forming interlocking wood grain patterns at the top of the joint, within what is known as 'axillary wood' (Fig. 1). [1]
Tree trunk is the stem and main wooden axis of a tree. Tree trunk, or variants, may refer to: "Treetrunk" (song), by The Doors, 1972; Tree Trunks, a fictional character in the American animated TV series Adventure Time "Tree Trunks" (Adventure Time), an episode of the series
Wheel tree is a common name for several plants and may refer to: Aspidosperma excelsum, a tree native to South America; Trochodendron aralioides, a tree or large ...
Tree stump, about 37 years after falling. After a tree has been cut and has fallen, the stump or tree stump is usually a small remaining portion of the trunk with the roots still in the ground. Stumps may show the age-defining rings of a tree. The study of these rings is known as dendrochronology. Stump sculpture by German artist Eberhard Bosslet
Alectryon excelsus is a sub-canopy tree growing to 9 m (30 ft) in height. It has a twisting trunk with smooth dark bark, spreading branches and pinnate leaves. [2] Adult leaflets do not have marginal teeth or usually have very few, blunt and shallow marginal teeth and usually leaflet margins are downturned, whereas, in juvenile leaflets have leaflets with strong teeth and flat along the edges. [3]