In which of herbaceous dicot, abnormal primary vascular bundles are found in the medullary region?
A
Casuarina
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B
Bougainvillea
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C
Boehmaria
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D
Lantana
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Solution
The correct option is ABougainvillea Abnormal secondary growth in dicots do not always follow the of vascular cambium producing xylem in the inside and phloem to the outside. The species of Bougainvillea show abnormal growth in the vascular bundles, with a series of cambia rising outside the phloem. This is due to the abnormal origin of the cambium.