monostele

mono- +‎ stele

monostele (plural monosteles)

1. Synonym of protostele
   • 1906, Sir Arthur George Tansley, The New Phytologist, page 66:

     Again, in ectophloic medullated monosteles the presence of an internal endodermis between xylem and central parenchyma is rare ; on the other hand when an amphiphloic condition obtains, an endodermis often cuts off the internal phloem from the central parenchyma.

   • 1926, F.O. Bower, The ferns (filicales), page 102:

     This is most readily done by reference to the sporeling: for there the axis is found to be traversed by a coherent monostele: and it is to the disintegration of this, together with the formation of commissural connections, that the complex structure of the adult is due.

   • 1949, University of Toronto Studies: Biological series - Issues 1-10, page 103:

     This condition be conceived to be derived by repeated division of the monostele.

   • 2014, William Louis Stern, Mary Gregory, David F. Cutler, Anatomy of the Monocotyledons Volume X: Orchidaceae, →ISBN:

     'Monosteles' comprising a ring of alternating xylem and phloem elements surrounding parenchymatous pith; 'monosteles' occurring in most genera...