Micromorphological features of pollen grains, seeds and leaf surfaces of Atocion hypanicum (Klok.) Tzvel. and A. compactum (Fisch.) Tzvel.

  • V. O. Martynyuk Taras Shevchenko National University оf Kyiv, Educational and Scientific Centre «Institute of Biology», Department of Botany, Hlushkova avenue 2, 03022 Kyiv, Ukraine
  • N. I. Karpenko Taras Shevchenko National University оf Kyiv, Educational and Scientific Centre «Institute of Biology», Department of Botany, Hlushkova avenue 2, 03022 Kyiv, Ukraine
  • O. M. Tsarenko M.G. Kholodny Institute of Botany NAS of Ukraine, Tereschenkivska str. 2, 01601 Kyiv, Ukraine
DOI: https://doi.org/10.5281/zenodo.160373

Abstract

Based on scanning electron microscopy, ultrastructure of leaf surfaces, pollen grains and seeds have been investigated for two Atocion Adans. species – Ukrainian endemic A. hypanicum (Klok.) Tzvel., and A. compactum (Fisch.) Tzvel., which areal comprises the Balkans, Caucasus and Western Asia. New delimiting micromorphological characteristics, associated with ultrastracture of pollen grains (microechinate number on the operculum: A. hypanicum – 6-15, A. compactum – 11-26) and interporal distance (A. hypanicum – 6.72±1,2 µm, A. compactum – 5.19±1,22 µm), have been designated. A. compactum seeds also clearly differ from A. hypanicum by the papilla presence on periclinal walls of lateral and dorsal surfaces. However, ultrastructure of the leaf surface, including epicuticular wax projections, does not significantly differ between these taxa.

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Fig. 2. Pollen grains of Atocion hypanicum (А, Б) and A. compactum (В, Г): А, В – general view; Б, Г – pore.
Published
2015-05-20
How to Cite
MARTYNYUK, V. O.; KARPENKO, N. I.; TSARENKO, O. M.. Micromorphological features of pollen grains, seeds and leaf surfaces of Atocion hypanicum (Klok.) Tzvel. and A. compactum (Fisch.) Tzvel.. Modern Phytomorphology, [S.l.], v. 7, p. 95-101, may 2015. ISSN 2227-9555. Available at: <http://ojs.phytomorphology.org/index.php/MP/article/view/90>. Date accessed: 11 apr. 2018. doi: https://doi.org/10.5281/zenodo.160373.
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Vol 7 (2015)
Section
Research Articles
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