Structure life forms of the species of the family Plantaginaceae


  • M. R. Hrytsyna Lviv National University of Veterinary Medicine and Biotechnologies named after S.Z. Gzhytskyi
Keywords: Angiosperm Phylogeny Group (APG III), Lamiales, Veronica, Plantaginacea, plastid genes, live history, living form

Abstract

In the article is conducted an analysis of structure of life–form of types of species of the genus Veronica and shallow families of Callitrichaceae and Plantaginaceae is for determination of criteria of their associacion in new family of Plantaginaceae, distinguished in molecular–phylloginatec system APG ІІІ. Based on molecular–phylloginatec explorations the family of Scrophulariaceae collide on seven monophyletic clade. Veronicaceae clade is one of the biggest line orders Lamiales, now it is rised to the rang of the family and named Plantaginaceae. Molecular researches confirmed integrity of clade on a 98%. System APG operates only monophyletic units, that causes her considerable differences from evolutionary – morphological. Therefore, at the construction of the new system is necessary to take morphological, ecological features and principles of evolutionary systematization into account. We have learnt the most wide types of families of the life form structure, such as Veronicа, Callitrichace, Plantaginо. Veronica chamaedrys can be refered to types of sympodial creeping longrooted, herbal polycarpic aklonalnyj types life–form, with anizotropical, monopodial, nonrosette monocarpic shoots and by frondozed inflorescence. Veronica serpyllifolia that is creeping rooted of few (3 4) year life forms aklonalnyj types with non–rosette, anisotropy, monocarpial monopodial shoots, which gradually moving to tasssels. At the brought weed plant of Veronica persica during one year the life–form of rodrooted is formed clone form renascent with the anisotropic type of extended monocarpical of monopodial shoots. Similarity of structure of flower, in particular stamen vehicle, reduction of duration of life cycle from perennial to little old and annual plant to unite these species in one clade ad. However, development of life form depends anymore on the terms of environment, than genotype. While generative area of plant is more conservative.

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Published
2016-10-28
How to Cite
Hrytsyna, M. (2016). Structure life forms of the species of the family Plantaginaceae. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 18(2), 66–69. https://doi.org/10.15421/nvlvet6715