Origin of the dicotyledon leaf as exemplified by fabaceae and rosaceae species i

Kurbatskii, V.I.

Sibirskii Biologicheskii Zhurnal 4: 64-68

1991


Accession: 007622778

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Abstract
On the example of Caragana, Pentaphylloides and Potentilla leaves it is supposed that the formation of the phyllomic-blasted leaf takes place by the way of fusion of leading systems of ancestral shortened shoot (including leaves and prophylls) and bract leaf of this shoot. It is assumed that bifunctionality of the sharp pointedness of the Caragana leaf consists in the fact that at the same time it has a nature of bract and terminal leaf of ancestral brachyblasts. The bunchy-compound leaf belongs to ordinarly for the angiosperms compound leaf as transitional one.