bee attraction blooms bright composite composite bloom curved flora floral flower flower-head flowering shrub flowers foliage garden flower garden plant Harry Chittick leucospermum cordifolium multiple nature open orange orange-red stalks patterns perennial petals pin cushion shape pincushion pincushion protea plant plants pollen proteas shrub spikes stalks stamens stigma symmetric symmetry leaves opening bloom buds flower plant angles appearance blue branch branches branching Cacti cactus clusters columnar edges frilled frills fruit fruiting garden-display green green-fruit height high irregular large leaf light long multiple-branched points prickles Prickly protection ribbed ribbing shade shadows shapes sharp sky spines succulent sunlight sunshine surface surfaces tall textures Unripe unusual budding bee honey insect nectar abundant Australia Australian bottlebrush bright-red bush bush-plant callistemon callistemon-viminalis color colored colorful colors colour coloured colourful colours common contrast contrasting distinctive evergreen flower-spikes flowering full-bloom native red shape spring tree weeping-bottlebrush wildflowers