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Underground stems are modified plant parts that derive from stem tissue but exist under the soil surface. They function as storage tissues for food and nutrients, facilitate the propagation of new clones, and aid in perennation (survival from one growing season to the next). [2]
Underground Stem Modifications. As the name suggests, these are present underground. They serve various purposes such as storage of food, propagation and perennation. They can be identified from roots by the presence of nodes and internodes. They help in propagation through asexual reproduction and help the plant survive a period of dormancy.
Some underground stems are modified for food storage and to survive under unfavourable conditions. Some underground stem modifications are: Rhizome. These are non-green with distinct nodes and internodes. There are auxiliary as well as apical buds. These are brownish in colour.
Underground stems have nodes, internodes, scale leaves, buds, and other characteristics similar to aerial stems. Its various forms include rhizomes, tubers, and corms. Roots are branched structures with no nodes or nodes between them.
Underground stem, Aerial stem, and subaerial stem are three different types of Stem. A stem has many important functions it performs other than letting you climb a tree. Let us take an in-depth look at the stem of plants.
A rhizome is the main stem of the plant that runs underground horizontally. A stolon is similar to a rhizome, but a stolon sprouts from an existing stem, has long internodes, and generates new shoots at the end, such as in the strawberry plant.
Oct 31, 2023 · rhizome: a horizontal underground stem of some plants that sends out roots and shoots from its nodes; corm: a short, vertical, swollen underground stem of a plant that serves as a storage organ to enable the plant to survive winter or other adverse conditions such as drought
Potato tubers form at the tips of specialized underground stems, stolons, which develop as underground buds at the base of the mainstem. The tubers form as a consequence of interactions between environmental and endogenous signals promoted by short photoperiod, low night temperatures and low nitrogen fertilization ( Ewing and Struik, 1992 ...
Jul 10, 2024 · rhizome, horizontal underground plant stem capable of producing the shoot and root systems of a new plant. Rhizomes are used to store starches and proteins and enable plants to perennate (survive an annual unfavourable season) underground.
Jan 21, 2020 · A rhizome is a horizontal underground plant stem that sends out roots and shoots from nodes. In some plants, a rhizome is the only stem. In others, it is the main stem. Plants use rhizomes to store food and for vegetative propagation.
