Observe plants with thread-like structures (Tendrils). Write the names of any two plants which have tendrils and also write how they are useful to the plants.
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Common examples of tendril-producing plants are the grape, members of the squash or melon family (Cucurbitaceae), the sweet pea (Lathyrus odoratus), and the passionflowers (Passiflora species).
- Tendrils are contact-sensitive, filamentous organs that permit climbing plants to tether to their taller neighbors. Tendrilled legume species are grown as field crops, where the tendrils contribute to the physical support of the crop prior to harvest.
How tendrils are useful to the plants is as follows.
- Stem tendrils grow out of the stem and leaf tendrils are modified leaves that emerge from a leaf node. As mentioned, the purpose of tendrils on vines is to assist the plant in climbing but they can also photosynthesize, making them doubly valuable to the vine.
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