In botany, trunk refers to the main structural member of a tree that is supported by and directly attached to the roots and which in turn supports the branches. The trunk is also often called the bole. The trunk is covered by the bark, which is an important diagnostic feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk, or bole, is the most important part of the tree for timber production. Binomial name Betula alleghaniensis Britt. ... Pinguicula grandiflora Botany is the scientific study of plantlife. ... For other uses, see Tree (disambiguation). ... Primary and secondary roots in a cotton plant In vascular plants, the root is that organ of a plant body that typically lies below the surface of the soil (compare with stem). ... For other meanings of bark, see Bark (disambiguation). ... Timber in storage for later processing at a sawmill Timber is a term used to describe wood, either standing or that has been processed for use—from the time trees are felled, to its end product as a material suitable for industrial use—as structural material for construction or wood...
Loggers on break, c. ... A stem is the main axis of a vascular plant that is divided into nodes and internodes and has one or more leaves or buds at the nodes. ... Trunks A tree trunk as found at the Veluwe, The Netherlands Wood is a solid material derived from woody plants, notably trees but also shrubs. ...
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