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Authors BARNABAS, AD
Author Full Name BARNABAS, AD
Title ANATOMICAL, HISTOCHEMICAL AND ULTRASTRUCTURAL FEATURES OF THE SEAGRASS PHYLLOSPADIX SCOULERI HOOK
Source AQUATIC BOTANY
Language English
Document Type Article
Keywords Plus LEAF; ZOSTERACEAE; PLANTS; CELLS
Abstract Aspects of the anatomy, histochemistry and ultrastructure of vegetative organs of the North American seagrass Phyllospadix scouleri Hook. (Family Zosteraceae) were investigated. It can be distinguished from Japanese species of the same genus on the basis of leaf anatomy and ultrastructure. In common with other members of the family, leaf blades of P. scouleri possess epidermal cells with transfer cell features, subcuticular cavities in the outer wall of these cells, sieve tube elements with nacreous walls, and vascular parenchyma cells with transfer cell characteristics. Some anatomical and ultrastructural features of P. scouleri could be considered to represent adaptations to its habitat (rocky substrate and surf exposure). These include the development of mechanical tissues composed of cellulose cell walls in all vegetative organs to allow for flexibility, secretion of material by the roots for adhesion to the rocks, modification of the nodal regions of rhizomes to cope with strong water movements, and development of a thick cuticular covering over the rhizome surface for protection.
Reprint Address BARNABAS, AD (corresponding author), UNIV DURBAN WESTVILLE,DEPT BOT,PRIVATE BAG X54001,DURBAN 4000,SOUTH AFRICA.
Times Cited 12
Total Times Cited Count (WoS, BCI, and CSCD) 12
Publisher ELSEVIER SCIENCE BV
Publisher City AMSTERDAM
Publisher Address PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN 0304-3770
29-Character Source Abbreviation AQUAT BOT
ISO Source Abbreviation Aquat. Bot.
Publication Date AUG
Year Published 1994
Volume 49
Issue 2-3
Beginning Page 167
Ending Page 182
Digital Object Identifier (DOI) 10.1016/0304-3770(94)90036-1
Page Count 16
Web of Science Category Plant Sciences; Marine & Freshwater Biology
Subject Category Plant Sciences; Marine & Freshwater Biology
Document Delivery Number PY535
Unique Article Identifier WOS:A1994PY53500007
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