Multiple cambia and secondary xylem of Ipomoea pes-caprae (L.) R. Br. (Convolvulaceae)

作者: Kishore S. Rajput , Vidya S. Patil , Karumachi S. Rao

DOI: 10.1080/12538078.2013.847020

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摘要: AbstractStructure of secondary xylem and pattern thickening in climbing species are different from those self-supporting plants. In many species, stem diameter increases by forming more than one ring cambium (referred to as multiple/successive cambia), while their usually contains abundant parenchyma, large vessels wide rays. beach morning glory (Ipomoea pes-caprae (L.) R. Br., Convolvulaceae), thickness multiple rings cambia. After a short period normal growth, the first successive ensues pericyclic parenchyma. Thereafter, subsequent cambial originate parenchyma cells produced initially previous cambium. stems that 15–20 mm thick, parenchymal initial activity cambia become meristematic form small arcs functionally inverse produce centrifugally phloem centripetally. Unequal production of...

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