lycianthes rantonnetii decorative plant, the blue potato bush or paraguay nightshade

background beautiful beauty bloom blooming blossom blue botanical botany bush close cultivated decorative delicate family flora floral flower flowering freshness garden gardening gentian genus head horticulture lycianthes nature nightshade ornamental outdoor paraguay petal petals plant poisonous potato purple rantonnetii season seasonal shrub solanaceae solanum species spring stamens stems toxic toxicity