Published Paper Details:

Flowering plants have developed a notable variety of floral adaptations and reproductive strategies due to natural selection influenced by pollinators. The structure and operation of sexual units influence pollen distribution and reception patterns, and, in conjunction with post-pollination mechanisms such as incompatibility systems, dictate the reproductive fitness of the plant. Reproductive biology holds significant importance in rare and endemic species because of their limited population and dispersion sizes. Lavandula officinalis, Hyssopus officinalis, Melissa officinalis, Salvia sclarea, and Salvia officinalis are the five Lamiaceae species whose floral biology and attractiveness were investigated by establishing a correlation between the morphological traits of their flowers and nectar production and pollinator visits, particularly in relation to honey bee forage preferences. While these species are farmed for therapeutic purposes, they also serve as a substantial source of pollen and nectar for honey production; thus, the study attempted to assess their melliferousness and importance for bee forage. Seven different kinds of Hymenoptera, three species of Diptera, and two species of day-flying Lepidoptera were observed visiting pollinators. The honey bee was the predominant pollinator, with flower aroma and color as the primary factors of attraction, succeeded by corolla shape and size, and to a lesser degree, nectar availability. The number of open flowers in each whorl and the length of the corolla tube were not very important. The most beautiful plants seemed S. officinalis, H. officinalis, and L. officinalis, while M. officinalis was the least attractive and S. sclarea was completely unappealing to all pollinators, with the exception of Xylocopa violacea, based on all flower characteristics that were analyzed and observations of pollinator behaviour and visits.