Tapetum structure and ontogeny in Victoria ( Nymphaeaceae )

  title={Tapetum structure and ontogeny in Victoria ( Nymphaeaceae )},
  author={Mackenzie L. Taylor and Patrick J Hudson and JOLENE M. RIGG and JULIE N. STRANDQUIST and Julie Schwartz Green and Tara C. Thiemann and Jeffrey M. Osborn},
The tapetum is critical for successful pollen development. Innovations in tapetum ontogeny and in the composition and role of tapetal exudate are hypothesised to have been advantageous in early angiosperm evolution. Early-diverging angiosperm lineages exhibit considerable variation in tapetum development, indicating that the earliest angiosperms exhibited evolutionary lability in tapetum ontogeny. However, little or no data on tapetum development exist for many basal flowering plant taxa… CONTINUE READING


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