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The Concept of Morphological Polarity and its Implication on the Concept of the Essential Organs and on the Concept of the Organisation Type of the Dicotyledonous Plant

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The Concept of Morphological Polarity and its Implication on the Concept of the Essential Organs and on the Concept of the Organisation Type of the Dicotyledonous Plant

Content Provider	Springer Nature Link
Author	Schilperoord Jarke, P.
Copyright Year	1997
Abstract	Dicotyledons are polarly organised in several ways. In plant morphology polarity, a principle allowing comparison of different plant structures has until yet not been studied. A division of the vegetative plant in shoot and root as polar structures leads to the distinction of four instead of three basic organs: leaf, shoot axis, root axis and root cap together with the root hairs. The flower is also polarly organised, its poles are formed by the carpels and the stamens. The foliage leaves are also polarly organised which is reflected by the morphological relationship of foliage leaf, stamen and carpel. The stamen uses the hypophyll* as base of construction and the carpel uses the epiphyll**** as base of construction. Hypophyll and epiphyll are the two poles of the foliage leaf. Root and shoot, the polar entities of the vegetative plant and stamen and carpel, the polar entities of the generative plant, are morphologically correlated. Stamen and carpel can be understood as a combination of the basic organs of vegetative and generative parts of the plant. The basic organs of the generative plant are pollen grain and embryo sack with their gametophytes. The quantitative comparison of variable proportions is supplemented by a qualitative comparison of polarities. The result is, that the organisation type of the dicotyledons can yet be understood as constituted of morphological related parts.* in german Grundorgane in german: Gliederung* in german: Unterblat**** in german: Oberblatt
Starting Page	51
Ending Page	63
Page Count	13
File Format	PDF
ISSN	00015342
Journal	Acta Biotheoretica
Volume Number	45
Issue Number	1
e-ISSN	15728358
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Philosophy of Biology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Philosophy Applied Mathematics Medicine Biochemistry, Genetics and Molecular Biology Environmental Science Agricultural and Biological Sciences

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