Diversity, distribution, development, and evolution of medullary bundles in Nyctaginaceae.
Israel L da Cunha NetoMarcelo R PaceNorman A DouglasMichael H NeeCyl Farney C de SáMichael J MooreVeronica AngyalossyPublished in: American journal of botany (2020)
Medullary bundles in Nyctaginaceae developed by a single shared pathway, that involved the departure of vascular traces from lateral organs toward the pith. These medullary bundles were encircled by a continuous concentric procambium that also constituted the polycyclic eustele, which was likely a symplesiomorphy for Nyctaginaceae with one single reversion to the regular eustele.
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