Origins and nature of vessels in monocotyledons. 2. Juncaginaceae and Scheuchzeriaceae

Edward L. Schneider, Sherwin Carlquist

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

SEM studies of roots and rhizomes of Triglochin (one species) and Maundia (monotypic) of Juncaginaceae and the sole species of Scheuchzeriaceae, Scheuchzeria palustris, reveals that vessels are present not only in roots, as previously reported, but also in rhizomes. The perforations contain pit membranes with pores of various sizes. Striate pit membranes, like those previously seen in Acorus, occur on pit remnants in peforations and on pit membranes of lateral walls in all genera studied. Grooves interconnecting pit apertures are illustrated for root tracheary elements of Triglochin; this is believed to be a first report of this feature for monocotyledons. The tracheary elements of Juncaginaceae and Scheuchzeriaceae are similar in their thick walls and narrow slitlike pits, lending support to the close relationship between the two families often claimed.

Original languageEnglish (US)
Pages (from-to)397-401
Number of pages5
JournalNordic Journal of Botany
Volume17
Issue number4
DOIs
StatePublished - Jan 1 1997

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