Vessel origin in Cabomba

Edward L. Schneider, Sherwin Carlquist

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Tracheary elements of the nodal plexus in stems of Cabomba aquatica and C. caroliniana have pores in the primary wall as seen with scanning electron microscopy (SEM); these pores are adjacent to the helical thickening bands. Presence of the pores qualifies these tracheary elements as vessel elements, in agreement with our previous criteria in Nymphaeaceae, but the vessel elements differ from any hitherto described for vascular plants and thereby enhance the likelihood of polyphylesis of vessels in dicotyledons.

Original languageEnglish (US)
Pages (from-to)637-641
Number of pages5
JournalNordic Journal of Botany
Issue number6
StatePublished - Jan 1 1996


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