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Question
Phyllotaxy is decussate in
Phyllotaxy is decussate in
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Solution
The correct option is C
Catharanthus
roseus
Phyllotaxy is the arrangement of the leaves on the stem. It is of three types, alternate, opposite and whorled. In opposite phyllotaxy, pair of leaves are present in opposite direction at each node. It is further divided into decussate and superposed. In decussate phyllotaxy, two successive pairs of leaves occur perpendicular to each other. Example include Catharanthus roseus. In superposed phyllotaxy, the pairs of leaves are in the same plane. For example, Combretum.Thus, the correct answer is 'Cathranthus roseus.'
Catharanthus roseus
Phyllotaxy is the arrangement of the leaves on the stem. It is of three types, alternate, opposite and whorled. In opposite phyllotaxy, pair of leaves are present in opposite direction at each node. It is further divided into decussate and superposed. In decussate phyllotaxy, two successive pairs of leaves occur perpendicular to each other. Example include Catharanthus roseus. In superposed phyllotaxy, the pairs of leaves are in the same plane. For example, Combretum.
Thus, the correct answer is 'Cathranthus roseus.'
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