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Growth forms of Parietariadebilis (Urticaceae) and Veronica persica (Plantaginaceae) Boletín de la Sociedad
Dellaferrera,Ignacio M; Panigo,Elisa S; Vegetti,Abelardo C; Perreta,Mariel G.
This work analyzes growth forms in V. persica and P. debilis, in order to identify their structural development under undisturbed conditions. Temporal and spatial variation in branching system, structural and developmental features as well as growth direction and foliar sequence were studied in plants grown from seed in growth rooms and in plants collected in the field. In both species, the main axis and the basal branches behave similarly, so they may be considered equivalent structures. All structures produced form a synflorescence. Along the main axis and the basal paraclades of V.persica, a basal branching zone and an inhibition zone was observed with opposite phylotaxis. At the end of axes a flower production zone of alternate phyllotaxis was found....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth forms; Sinflorescences; Profileration; Phyllotaxis; Paraclades; Branching system.
Ano: 2014 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722014000300005
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