A species of sunflower cultivated for its tuber, which is used as a root vegetable.
An illustration of a disk-floret of a asteraceae. The family Asteraceae or Compositae (known as the…
An illustration of a disk-floret of a asteraceae. The family Asteraceae or Compositae (known as the…
An illustration of a Gynaeceum of a asteraceae. The family Asteraceae or Compositae (known as the aster,…
An illustration of a inflorescence of a asteraceae. The family Asteraceae or Compositae (known as the…
Jerusalem artichoke is the tuber of a sunflower. The flower produces white, edible tubers. It can be…
A genus of plants of the aster family, which have large, cordate leaves and terminal, flat, circular,…
Helianthus argophyllus is the silver leaved variety of the sunflower. The flower heads are yellow. The…
The helianthus decapetalus multiflorus sunflower has firm leaves and large heads. The common form has…
Helianthus orgyalis sunflowers have small, yellow heads. The flowers bloom in the autumn. The plant…
Drawing of three sunflowers arranged for use as top right corner decoration.
Sunflower grow to be six feet tall. The flower heads are large, varying in size and color.
Helianthus annus caifornicus plenissimus is the scientific name of the pictured sunflower. It is another…