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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.
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 used in the production of cooking oil, as well as other uses such as food for livestock, bird food, and planting in domestic gardens for aesthetics.
National Gallery, London. Sunflowers (original title, in French: Tournesols) is the title of two series of still life paintings by the Dutch painter Vincent van Gogh. The first series, executed in Paris in 1887, depicts the flowers lying on the ground, while the second set, made a year later in Arles, shows a bouquet of sunflowers in a vase.
Labisia is a herbaceous plant that grows in low clusters, with solitary or rarely branching stems and fine, hairy roots. The leaves are oblong-shaped, hairy on its underside and can grow to 20–40 cm (7.9–15.7 in) in length. The inflorescence are brown and 5–6 cm (2.0–2.4 in) long. [4] The plant thrives under the shade, away from direct ...
Chaetocladus altissima (Desf.) J.Nelson. Ephedra wettsteinii Buxb. Ephedra altissima is a species of Ephedra that is native to the western Sahara (Morocco, Algeria, Tunisia, Libya, Chad, Mauritania), and also to the Canary Islands. [2][3][4] The species is cultivated as an ornamental plant and medicinal plant.
A sunflower seed is a seed from a sunflower (Helianthus annuus). There are three types of commonly used sunflower seeds: linoleic (most common), high oleic, and sunflower oil seeds. Each variety has its own unique levels of monounsaturated, saturated, and polyunsaturated fats. The information in this article refers mainly to the linoleic variety.
Anaphalis javanica, the Javanese edelweiss, is a species of flowering plant native to Indonesia. It is found mostly in mountainous regions of Java, southern Sumatra, southern Sulawesi and Lombok. [3] Although a mature plant can reach eight metres in height, most specimens are less than a metre tall. [4] It is a pioneer in recent volcanic land. [5]
The Asteraceae were first described in the year 1740 and given the original name Compositae. [6] 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.