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storage trunks

storage trunks

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. In everyday speech, shoots are often confused with stems. Stems, which are a critical component of shoots, provide an axis for buds, flowers or cones, fruits or seeds, and leaves. Stems are aboveground in many plants but some grow underground. The aerial stem of an adult tree is called a trunk. 9 am to 5 pm EST. The dead, usually darker inner wood of a large diameter trunk is termed the heartwood. The outer, living wood is termed the sapwood. The main functions of aerial stems are

Support and elevate leaves, flowers and fruits and keep leaves in the light. Transport of fluids between the roots and the shoots in the xylem and phloem.