African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 686

Full Length Research Paper

Anatomical study of four species of Heliotropium L. (Boraginaceae) from Saudi Arabia

Mona Alwahibi* and Najat Bukhary
Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia.
Email: [email protected]

  •  Accepted: 29 June 2012
  •  Published: 31 January 2013

Abstract

 

The leaf anatomy and distribution of types of foliar trichome of four Heliotropium L. species have been investigated. The aim of this study is to evaluate the systematicrelevance of their diversity compared to the recent findings of systematic relationshipswithin the genus. The results of leaf anatomy patterns, especially venation, vascularsystem, various types of foliar trichome and localization of crystals are surprisingly of high systematic value and proof.

 

Key words: Heliotropium L., leaf anatomy, Kranze-cells, C3 and C4 plants, venation, stomata, trichomes, crystals.

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