Floral rewards in someScrophularia species (Scrophulariaceae) from the Iberian Peninsula and the Balearic Islands |
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Authors: | Ana Ortega Olivencia Juan Antonio Devesa Alcaraz |
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Institution: | (1) Departamento de Biología y Producción Vegetal (Unidad de Botánica), Facultad de Ciencias, Universidad de Extremadura, E-06071 Badajoz, Spain |
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Abstract: | The genusScrophularia in the Iberian Peninsula and Balearic Islands comprises two sections,Scrophularia andCanina
G. Don. Analyses were carried out on flower production, flower duration and their sexual phases, pollen and nectar production together with observations on their pollinators. Nectar production is correlated with corolla size and pollen production with anther size. The taxa of sect.Scrophularia show greater nectar and pollen production than those of sect.Canina. Also, those of the first section produce more ovules per ovary than those of the second group, production being correlated with the ovary size.Some observations on floral and reproductive biology in some species ofScrophularia from the Iberian Peninsula and the Balearic Islands. I. |
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Keywords: | Scrophulariaceae Scrophularia Vespidae Apoideae Syrphidae Formicidae Protogyny cross-pollination floral rewards Flora of Iberian Peninsula Balearic Islands |
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