EXAMINATION OF THE ULTRASTRUCTURE AND FUNCTION OF CAVEATE ACANTHACEAEPOLLEN, USING REHYDRATED HERBARIUM MATERIAL

Authors
FURNESS CA
Citation
Ca. Furness, EXAMINATION OF THE ULTRASTRUCTURE AND FUNCTION OF CAVEATE ACANTHACEAEPOLLEN, USING REHYDRATED HERBARIUM MATERIAL, Grana, 34(1), 1995, pp. 1-9
Citations number
NO
Categorie Soggetti
Plant Sciences
Journal title
Grana → ACNP
ISSN journal
00173134
Volume
34
Issue
1
Year of publication
1995
Pages
1 - 9
Database
ISI
SICI code
0017-3134(1995)34:1<1:EOTUAF>2.0.ZU;2-Q
Abstract
Herbarium pollen from four Acanthaceae species with caveate exines was rehydrated using a solution of tannic acid and glutaraldehyde (TAG), followed by fixation with osmium tetroxide. The results demonstrate th e presence of lipoidal material contained in the caveae and columellar interstices. The nature, synthesis and possible function of this mate rial are discussed. Aspects of endexine ultrastructure and deposition are also discussed.