the flowers of blue delphinium elatum

ranunculaceae approximately inflorescence centimeters millimeters degenerated delphinium herbaceous completely pentagonal bracteoles wildflower perennial flowering knowledge undefined sparsely hairless petioles narrowly lavender flowers covered densely diamond stamens popular science biology blossom produce elatum family height ground leaves wither kidney shaped length packed narrow linear sepals purple petals august nature garden botany flower violet plant lower short hairs grown equal small width