Epidermal characteristics in some representatives of Cactoideae (Cactaceae)

Galina V Kalashnyk; Sergii O Kalashnyk; Marina M Gajdarzhy

doi:10.5281/zenodo.159848

Galina V Kalashnyk Taras Shevchenko National University of Kyiv, ESC “Institute of Biology”, O.V. Fomin Botanical Garden; S. Petlura str. 1, 01032 Kyiv, Ukraine
Sergii O Kalashnyk Taras Shevchenko National University of Kyiv, ESC “Institute of Biology”, O.V. Fomin Botanical Garden; S. Petlura str. 1, 01032 Kyiv, Ukraine
Marina M Gajdarzhy Taras Shevchenko National University of Kyiv, ESC “Institute of Biology”, O.V. Fomin Botanical Garden; S. Petlura str. 1, 01032 Kyiv, Ukraine

DOI: https://doi.org/10.5281/zenodo.159848

Abstract

In this paper we analyzed the epidermis of 6-month old representatives of 11 species of the subfamily Cactoideae. The epidermal cells of examined species have sprawled and elongated projections with a sinuous outlines. Most of plants have large epidermal cells, whose number per unit area considerably varies. Stomatal index of the studied species is small and very small. Size of stomata is variation of 32,5±0,5×24,9±0,7 in Astrophytum myriostigma to 43,2±0,6×36,1±0,5 in Rebutia flavistyla. Large stomata are typical for three species of cacti. All examined species have paracytic stomata. The small prismatic crystals are in epidermal cells of three species. Astrophytum myriostigma and Mammillaria prolifera have papillaes and trichomes on the surface.

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