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The following other wikis use this file: Usage on fi.wikipedia.org Keskustelu käyttäjästä:Harriv; Käyttäjä:Ppntori; Keskustelu käyttäjästä:Ppntori
Helianthus (/ ˌ h iː l i ˈ æ n θ ə s /) [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 plant has an erect rough-hairy stem, reaching typical heights of 3 metres (10 feet). The tallest sunflower on record achieved 9.17 m (30 ft 1 in). [3] Sunflower leaves are broad, coarsely toothed, rough and mostly alternate; those near the bottom are largest and commonly heart-shaped.
The image may be life-size or not, though at times a scale is shown, and may show the life cycle and/or habitat of the plant and its neighbors, the upper and reverse sides of leaves, and details of flowers, bud, seed and root system.
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Since its introduction in the 1970s, this community-based care model has been associated with shorter hospitalization times and better quality of life for older adults.
Lauren Conrad/Instagram. Trey Phillips, Lauren Conrad and Dieter Schmitz at their 20th high school reunion; Laguna Beach High School’s Class of 2004 members in photos taken on Nov. 30, 2024
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. The family has a widespread distribution, from subpolar to tropical regions, in a wide variety of habitats.