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Monarch butterfly flying away from a Mexican sunflower. Plants are perennial in the native habitat, up to 4 m tall with orange or red flowers (in cultivation only 0.8 to 1.5 meters). In USDA zones cooler than Zone 10 it is an annual. Leaves, despite the epithet, are deltoid to lanceolate, occasionally lobed (or broadly heart-shaped) up to 38 cm ...
Most cultivars of sunflower are variants of H. annuus, but four other species (all perennials) are also domesticated. This includes H. tuberosus, the Jerusalem artichoke, which produces edible tubers. There are many species in the sunflower genus Helianthus, and many species in other genera that may be called sunflowers.
Of more than 50,000 edible plant species in the world, only a few hundred contribute significantly to human food supplies. Just 15 crop plants provide 90 percent of the world's food energy intake (exclusive of meat), with rice , maize and wheat comprising two-thirds of human food consumption.
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. They are also used in the production of cooking oil, as food for livestock, as bird food, and as a plantings in domestic gardens for ...
Tithonia diversifolia is a species of flowering plant in the family Asteraceae that is commonly known as the tree marigold, [2] Mexican tournesol, Mexican sunflower, Japanese sunflower or Nitobe chrysanthemum. It is native to Mexico and Central America but has a nearly pantropical distribution as an introduced species. [1]
The family is commonly known as the aster, daisy, composite, or sunflower family. Most species of Asteraceae are herbaceous plants , and may be annual , biennial , or perennial , but there are also shrubs , vines , and trees .
Helianthus maximiliani is a North American species of sunflower known by the common name Maximilian sunflower. [ 2 ] This sunflower is named for Prince Maximilian of Wied-Neuwied , who encountered it on his travels in North America.
In addition, all pet food animal products must be considered fit for human food consumption, a measure put into place to prevent the spread of zoonotic diseases, and plants that will be manufacturing the pet food must be authorized under two of the EU legislature bodies. [17] To learn more about labelling and regulations of pet food, see Pet food.