Pakistan Journal of Biological Sciences1028-88801812-5735Asian Network for Scientific Information10.3923/pjbs.2008.2023.2027Hermannia icana Cav.]]>AppidiJ.R. GriersonD.S. AfolayanA.J. 1220081116The structure and distribution of foliar appendages
on the leaves of this plant were investigated with the JEOL (JSM-6390LV)
scanning electron microscope (SEM). Both glandular and non-glandular trichomes
were observed, which differed from each other in morphology and location
on the leaves. Long stalked glandular trichomes were present on both the
abaxial and adaxial surfaces while short stalked glandular trichomes were
present only on the adaxial surface. Glandular trichomes were capitate
while non-glandular trichomes were stellate with many arms. Some crystal
deposits were observed on the surfaces of the leaves. Energy dispersive
X-ray spectroscopy-SEM of these crystals showed that Al, Ca, K, Na, Ti
and Si were the major constituents. We hypothesize that the bioactive
therapeutic compounds secreted by H. incana may be produced in
the glandular trichomes.]]>Afolayan, A.J. and J.J.M. Meyer,1995Helichrysum aureonitens (Asteraceae).]]>156481487Aliero, A.A., D.S. Grierson and A.J. Afolayan,2006Solanum pseudocapsicum.]]>201326330Choir, Y.E., E. Harada, M. Wada, I.M. Tsubo, Y. Morita, T. Kusano and H. Sano,20012134550Duke, S.O.,1994155617620Lersten, N.R. and J.D. Curtis,1997Dombeya and Nesogordonia (Sterculiaceae), emphasizing epidermal and internal idioblasts.]]>2075986Palombo, E.A.,200620717724Robinson, D.G., U. Ehlers, R. Herken, B. Herrmann, F. Mayer and F.W. Schumann,19871st Edn.,Salt, D.E., R.C. Prince, I.J. Pickering and I. Raskin,199510914271433Wagner, G.J.,199196675679Watson, L. and M.J. Dallwitz,19921992Werker, E.,200031135Werker, E.,19938249255