Morphology of nectaries in relation to nectar secretion of Inula and Centaurea species in the Hungarian habitats

Dósa, G. (2003) Morphology of nectaries in relation to nectar secretion of Inula and Centaurea species in the Hungarian habitats. Acta Botanica Hungarica, 45 (1-2). pp. 65-73. ISSN 0236-6495

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Abstract

Floral nectary characteristics of five species of Centaurea and Inula (Inula ensifolia, I. salicina, I. spiraeifolia, Centaurea micranthos, C. scabiosa) were examined for using light microscopy and scanning electron microscopy, and the sugar contents were studied in relation to nectary morphology and plant size. The differences in the nectaries, plant size and nectar sugar content of the studied species indicate that the larger plants may reflect a greater allocation to sugar content.

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