black corolla flower nature orange petal petals plant white yellow androecium anther buds calyx carpel carpels filament flowers gynoecium lilac plants pollen pollination saavem sepals background close-up corollas Dandelion florets focus food garden grass green lawn macro roadside sharp soft stem Taraxacum officinale vegetable weed abundance abundant Bignoniaceae bipinnate leaves blossoms colorful colourful cultural culture five-lobed flower flora flowering flowering tree jacaranda jacaranda mimosifolia ornamental purple purple flowers purple-blue corolla spring tree vigorous foliage leaves anthers colors colours common cultivar dark display dusk filaments floral flowering-plant garden-flower garden-plant hibiscus leaf light Malvaceae papery pink shrub stamens staminal-column stigmas trumpet-shaped variety veins bright popular prolific