Stem | Description, Facts, & Types | Britannica
2024年9月3日 · Stem, in botany, the plant axis that bears buds and shoots with leaves and, at its basal end, roots. The stem conducts water, minerals, and food to other parts of the plant and may also store food or be photosynthetic itself. Learn more about the importance, types, and functions of plant stems.
Plant stem - Wikipedia
A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves , flowers and fruits , transports water and dissolved substances between the roots and the shoots in the xylem and phloem , engages in photosynthesis, stores nutrients, and produces new living tissue. [ 1 ]
30.2: Stems - Functions of Stems - Biology LibreTexts
2023年10月31日 · Stems connect the roots to the leaves, helping to transport water, minerals, and sugars to different parts of the plant. Plant stems always have nodes (points of attachments for leaves, roots, and flowers) and internodes (regions between nodes).
30.3: Stems - Stem Anatomy - Biology LibreTexts
2024年8月28日 · Stem Anatomy. The stem and other plant organs are primarily made from three simple cell types: parenchyma, collenchyma, and sclerenchyma cells. Parenchyma cells are the most common plant cells. They are found in the stem, the root, the inside of the leaf, and the pulp of the fruit.
30.2: Stems - Biology LibreTexts
Stems are a part of the shoot system of a plant. They may range in length from a few millimeters to hundreds of meters, and also vary in diameter, depending on the plant type. Stems are usually above ground, although the stems of some …
Parts of a Stem With Their Structures and Functions - Science Facts
2023年2月2日 · A typical plant stem consists of eight distinct parts, containing six elements and two organs. The six elements are: 1) nodes , 2) internodes , 3) terminal or apical bud , 4) lateral or axillary bud , 5) petiole and 6) pedicel.
Plant - Stem Structure, Function, Types | Britannica
2024年9月13日 · Plant - Stem Structure, Function, Types: A plant body consists of stems, leaves, roots, flowers, fruits, and seeds. Stems are usually the main axis of a plant, leaves act as the primary site of photosynthesis, and roots absorb water and nutrients.
Stems | Functions, Anatomy, & Types of Stems - YouTube
🌵 What are stems? 🌴 What do they do for a plant? In this video we'll learn about the 3 main functions of stems. We'll also discuss different types of stems...
Plant Stem | Parts of a Plant - Plant Biology
The stem is one of the vascular plants’ structural axes. The term stems is often confused with shoots; shoots are basically the new fresh plant that grows without the stem being included.
30.2 Stems - Biology - OpenStax
Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes (Figure 30.4). Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode .