Question

Opposite decussate phyllotaxy is seen in___________.

Answer 1

Hint: The leaves are opposite in the opposite decussate phyllotaxy to each other. At right angles, they are placed to one another. On the stem, the patterns of the arrangements of leaves are called “phyllotaxy”. In the members of the family Crassulaceae it is found. Opposite Phyllotaxy are of two types: opposite superposed phyllotaxy and opposite decussate phyllotaxy.

Complete answer:
In Calotropis, The opposite phyllotaxy is seen. The arrangements of leaves on the stem and opposite the phyllotaxy, means they are present on opposite sides I.e. leaves are placed at right angles to each other. Therefore, the correct answer is, Calotropis. To the pattern or the arrangement of leaves on the stem or branch of a plant phyllotaxy refers. There are mainly three types of Phyllotaxy- Alternate, Opposite and Whorled Phyllotaxy. Arising from the nodes in the opposite directions, plants with Phyllotaxy have two leaves. In Guava and Jamun plants it is found. In the opposite pattern, if successive leaf pairs are degrees apart the habit is called the Decussate.

Note:
The bark and the root bark of Calotropis plants are used by the people for medicine purposes. It is also used for digestive disorders, like diarrhea, constipation and stomach ulcers as well as is used also in thick cramps, swelling, joint pain etc, thus showing great medicinal properties.