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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.
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.
Our findings in wild sunflower suggest that the High Plains played an important role in generating contemporary patterns of divergence and genetic structure in not just animals, but wide-ranging plants distributed across central North 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.
The history of Sunflower. Sunflower is the most popular oilseed crop in Europe and North America, where the crop originated and was domesticated during the first millennium B.C. While the Native Americans used many different plant parts of wild sunflowers as medicines and culinary, the crop was first spread across the world as ornamental.
15 lut 2013 · The sunflower achenes and kernels recovered from six eastern North American sites predating 3000 b.p. that document the early history of this important crop plant are reanalyzed, and two major difficulties in the interpretation of archaeological sunflower specimens are addressed.
1 lut 2019 · Sunflowers (Helianthus spp.) are plants native to the American continents, and one of four seed-bearing species known to have been domesticated in eastern North America. The others are squash [Cucurbita pepo var oviferia], marshelder [Iva annua], and chenopod [Chenopodium berlandieri]).
