pollen grains on tagetes patula petal

air allergens allergy annual asteraceae bee blossom bokeh botany close colored condensation coruscate crystal crystals cultivar cultivated dot dust dusty environment flowers food french garden golden grains herbaceous hues index linnaeus macro marigold marigolds material messy micrometer nanometer natural nuclei ochre orange organic particle particles particulates patterns patula perennial pests petal petals plant polka pollen pollination pollinator provide quality repel repels reproduction reproductive saffron season sized speckle stamen stamens tagetes umber vibrant microgametophytes allergist immunology