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…
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…