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Alternate phyllotaxy is observed in
China rose
Mustard
Sunflower
All of these
Answers (1)
Phyllotaxy: The pattern of arrangement of leaves on the branch or stem is called the phyllotaxy. There can be following types of arrangement of leaves:
a) Alternate or Spiral Phyllotaxy: A single leaf arises from each node in an alternate fashion. The arrangement appears to be spiral. For example, China rose, mustard and sunflower.
b) Opposite Phyllotaxy: A pair of leaves arises at each node and lie opposite to each other. For example, Calotropis and guava.
c) Whorled Phyllotaxy: More than two leaves arise at a node and form a whorl. For example, Alstonia, Nerium, etc.
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A single leaf arises from each node in an alternate fashion. The arrangement appears to be spiral. For example, China rose, mustard and sunflower.
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