Overview
Test Series
Tendrils are slender threadlike structures found in climbing plants. These tendrils reach out into the surrounding space until they come into contact with a solid surface. Once this happens, they curl around the object, providing a structure for the plant to climb and grow. This unique behaviour is referred to as thigmotropism.
Tendrils are typically seen in two forms -
Tendrils are generally green, and they can conduct photosynthesis. They are also known to be chemically sensitive. For instance, tendrils in the Cuscuta (a parasitic plant) only wrap around suitable hosts.
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Stem Tendril |
Leaf Tendril |
Stem tendrils are modified branches that assist the plant in climbing. | Leaf tendrils are modifications of leaves or leaflets, emerging from leaf nodes to provide support to the stem. |
These slender, spiral tendrils grow from the auxiliary bud. | In this case, either an entire leaf or a part of it transforms into a tendril. |
Examples include Passion fruit, Virginia Creeper, and Boston Ivy. | Examples include Clematis, Lathyrus, and Vicia. |
Types of stem tendrils include axillary tendrils, extra axillary tendrils, floral bud tendrils, and apical bud tendrils. | Leaf tendrils can be classified as whole leaf tendrils, leaflet tendrils, petiolar tendrils, leaf tip tendrils, and rachis tendrils. |
Keep exploring more intriguing biology topics.
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