1
Question
Opposite decussate phyllotaxy is seen in _________.
Opposite decussate phyllotaxy is seen in _________.
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Solution
The correct option is C Calotropis
B. CalotropisEXPLANATION: The arrangement of leaves on the stem is called phyllotaxy. There are three types of phyllotaxy- alternate, opposite and whorled. When two leaves are present at a node opposite to each other the type is called opposite phyllotaxy. This phyllotaxy are of two types- opposite superposed and opposite decussate. A pair of leaves at one node stands at right angle to the next upper or lower pair so that the four vertical rows are formed on the stem and this type is called as opposite decussate phyllotaxy. eg., Calotropis, Zinnia, Tulsi, etc.
B. Calotropis
EXPLANATION: The arrangement of leaves on the stem is called phyllotaxy. There are three types of phyllotaxy- alternate, opposite and whorled. When two leaves are present at a node opposite to each other the type is called opposite phyllotaxy. This phyllotaxy are of two types- opposite superposed and opposite decussate. A pair of leaves at one node stands at right angle to the next upper or lower pair so that the four vertical rows are formed on the stem and this type is called as opposite decussate phyllotaxy. eg., Calotropis, Zinnia, Tulsi, etc.
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