AP BIOLOGY

Detailed explanation-1: -In alternate type, leaf arises at each node in an alternate manner. Examples include china rose, sunflower, grass, mustard. In opposite type, pair of leaves arise at each node and are opposite to each other. Examples include Calotropis, Ocimum, guava.

Detailed explanation-2: -Alternate Phyllotaxy As per the name, the leaves are arranged in an alternate fashion. Here, only one leaf is present at a single node. This means each leaf will arise from a different node from the sides. Examples – Hibiscus, Sunflower, etc.

Detailed explanation-3: -Only 3 of the mentioned plants are examples of alternate phyllotaxy. China rose, mustard and Sunflower are examples of alternate phyllotaxy.

Detailed explanation-4: -In alternate phyllotaxy, individual leaves arise from each node on the stem of the plant. Example: sunflower, peepal, mustard, etc. In opposite phyllotaxy, pairs of leaves arise from each node. Example: guava and jamun.

Detailed explanation-5: -Alternate phyllotaxy: When only a single leaf is present at a node in an alternate pattern, it is referred to as alternate phyllotaxy. Such an arrangement of leaves can be observed in China Rose, Sunflower, and Mustard.