anthers colors colours common corolla cultivar dark display dusk filaments flora floral flowering-plant flowers garden-flower garden-plant hibiscus leaf leaves light Malvaceae nature ornamental papery petals pink plant plants shrub stamens staminal-column stigmas trumpet-shaped variety veins appearance background blooms composite composite-bloom curved flower flower-head flowering-shrub leucospermum-cordifolium open patterns perennial pin-cushion-shape pincushion pincushion-protea proteas red shrubs spike spikes stalks stigma symmetric symmetry agriculture aromatic betony botany food gardening healthy hedgenettle herb herbal herbs market medicine purple stachys officinalis wood betony composite bloom flower plant flowering shrub garden flower garden plant Harry Chittick leucospermum cordifolium orange pin cushion shape pincushion protea bloom blossom blossoms blue borage Borago officinalis botanic closeup common borage field green macro medicinal plant starflower abundant bright foliage popular prolific white bracts devil's backbone drought tolerant houseplant Jacob's ladder lady’s slipper pedilanthus tithymaloides pointed tips shaped like pink slippers slipper flower sub-tropical succulent tropical unusual upright variegated zigzag plant zigzag stems