Abstract
Amodel of phylogenetic development of life forms of herbaceous plants is proposed on the basis of a multidisciplinary study of physiological and morphological characters of complete species composition of two herbaceous cenoses (meadow and steppe). The physiological mechanism of their formation in the context of changing water supply consists in the optimization of water deficiency and production capacities of their leafs, the emergence of most efficient species-level sprout forms (non-rosette, semi-rosette and rosette), and finally in the establishment of a definite proportion between these forms within the composition of a given herbaceous cenosis.
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Claims 3
Claim · model-written summary
The proposed mechanism links changing water supply to optimized leaf water deficiency and production capacity.
Verbatim
e0“The physiological mechanism of their formation in the context of changing water supply consists in the optimization of water deficiency and production capacities of their leafs”
t0“herbaceous plants”
Claim · model-written summary
The proposed mechanism includes emergence of efficient non-rosette, semi-rosette, and rosette sprout forms.
Verbatim
e0“the emergence of most efficient species-level sprout forms (non-rosette, semi-rosette and rosette)”
t0“herbaceous plants”
Claim · model-written summary
The proposed mechanism culminates in definite proportions of sprout forms within a herbaceous community.
Verbatim
e0“the establishment of a definite proportion between these forms within the composition of a given herbaceous cenosis”
t0“herbaceous plants”