The structure of cystoliths in selected taxa of the genus Ficus L. (Moraceae) in Peninsular Malaysia

B. Ummu-Hani, Noraini Talip

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

A study was undertaken on mature leaves of 15 taxa of the genus Ficus in Peninsular Malaysia. The main objectives of this study are to determine the morphology and distribution of cystoliths in the epidermal layers of the leaf lamina in selected taxa of Ficus. The morphology of cystoliths is classified based on its size, shape, colour, and the presence of stalk cystolith. There are seven types of cystolith morphology observed in this study. Most of the cystoliths are either solitary, elongated, narrow or broad, and pointed or blunt at one or both ends. However, double-and rarely triple-cystoliths are also present in some species. The size of the cystoliths varies even within the same species. Based on the position of cystoliths, all the 15 taxa studied can be generally classified into three groups: Group 1-with cystoliths adjacent to the adaxial epidermis layer (F. annulata, F. benghalensis and F. superba), Group 2-with cystoliths adjacent to the abaxial epidermis layer (F. aurantiacea, F. lepicarpa, F. hispida, F. obscura var. borneensis, F. religiosa, F. schwarzii, F. ucinata and F. vasculosa), and Group 3-with cystoliths present in both adaxial and abaxial epidermis layers (F. benjamina, F. depressa, F. microcarpa and F. tinctoria). Based on the occurrence of cystoliths, the types of lithocysts were related to the number of epidermal layers, i.e. hair-like lithocysts in uniseriate epidermis is present in all species studied. However, the characteristics of the cystoliths may not suitably be used as a taxonomic marker but it can be useful as additional character for group identification in Ficusper.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages372-376
Number of pages5
Volume1571
DOIs
Publication statusPublished - 2013
Event2013 UKM Faculty of Science and Technology Post-Graduate Colloquium - Selangor
Duration: 3 Jul 20134 Jul 2013

Other

Other2013 UKM Faculty of Science and Technology Post-Graduate Colloquium
CitySelangor
Period3/7/134/7/13

Fingerprint

Malaysia
epidermis
leaves
hair
markers
occurrences
color

Keywords

  • Calcium carbonate
  • Crystals
  • Cystoliths
  • Ficus
  • Moraceae

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

The structure of cystoliths in selected taxa of the genus Ficus L. (Moraceae) in Peninsular Malaysia. / Ummu-Hani, B.; Talip, Noraini.

AIP Conference Proceedings. Vol. 1571 2013. p. 372-376.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ummu-Hani, B & Talip, N 2013, The structure of cystoliths in selected taxa of the genus Ficus L. (Moraceae) in Peninsular Malaysia. in AIP Conference Proceedings. vol. 1571, pp. 372-376, 2013 UKM Faculty of Science and Technology Post-Graduate Colloquium, Selangor, 3/7/13. https://doi.org/10.1063/1.4858686
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