monostele

plural monosteles

1. Synonym of protostele.

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

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

   3 more examples

   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.

   1906, Sir Arthur George Tansley, The New Phytologist, page 66

   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.

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

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

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

   Synonyms: protostele