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Sunflower, genus of nearly 70 species of herbaceous plants of the aster family. Sunflowers are native primarily to North and South America, and some species are cultivated as ornamentals for their spectacular size and flower heads. The edible seeds are an important source of oil.
- Jerusalem Artichoke
Jerusalem artichoke, sunflower cultivated for its edible...
- Asteraceae
Asteraceae, the aster, daisy, or composite family of the...
- Jerusalem Artichoke
18 lis 2021 · Sunflower description. It is an annual plant of large proportions, which can reach over 3 meters high. It is a plant with few branches and the stem is thick, erect and massive. It has deep roots formed by a main taproot and abundant secondary roots. Sunflower flower before the fruits being ripe.
Helianthus (/ ˌhiːliˈænθəs /) [3] is a genus comprising around 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. [4][5] Except for three South American species, the species of Helianthus are native to North America and Central America.
The common sunflower (Helianthus annuus) is a species of large annual forb of the daisy family Asteraceae. The common sunflower is harvested for its edible oily seeds, which are often eaten as a snack food.
26 gru 2023 · Sunflower (Helianthus annuus) is a herbaceous annual plant belonging to the family Asteraceae. It is native primarily to North America. Some species are cultivated as ornamental plants used in floral decorations, vases, and bouquets, and some are grown for their edible seed and oil.
Plant description. The common sunflower has a green erect stem covered in coarse hairs, growing on average around 2m tall. The leaves are broad, with serrated edges, and are alternately arranged on the stem. The ‘flower’ of the common sunflower is actually a pseudanthium, or flowerhead, made up of many small flowers.
Description. Head displaying florets in spirals of 34 and 55 around the outside. sunflower seeds. The outer petal-bearing florets are the sterile florets and can be yellow, red, orange, or other colors. The florets inside the circular head are called disc florets, which mature into seeds.
