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Helianthus salicifolius is a North American species of sunflower known by the common name willowleaf sunflower. [2] It is native to the central United States, primarily in the Great Plains and Ozark Plateau (states of Missouri, Kansas, Oklahoma, and Texas). There are a few reports of scattered populations in the Northeast and Midwest parts of ...
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 common sunflowers we see in cut flower bouquets are annuals, as are the sunflowers grown for seeds, but other species are perennials. Many perennial sunflowers are native to the prairie ...
Perennial sunflower is a crop of sunflowers that are developed by crossing wild perennial and domestic annual sunflower species. Annual sunflower is a major oilseed crop. Genes from wild perennial relatives may increase root depth and mass and extend the growing season. These upgrades means future varieties with higher yields and better soil ...
They’re also one of the longest-lived perennials, with some plants living up to 100 years. Fast Facts. USDA Hardiness Zone: 3 to 8. How Much Sun It Needs: Full sun. When It Blooms: Late spring ...
Symphyotrichum praealtum is a perennial, herbaceous plant with long rhizomes. [3] The thick, firm leaves have conspicuous reticulate venation below. [4] Flowering occurs from August to November, [5] by which time the lower leaves are often withered. The dense arrays of flower heads are present on the
The Onagraceae are a family of flowering plants known as the willowherb family or evening primrose family. They include about 650 species of herbs , shrubs , and trees [ 4 ] in 17 genera. [ 5 ] The family is widespread, occurring on every continent from boreal to tropical regions.
Helianthus strumosus, the pale-leaf woodland sunflower, [3] is a species of sunflower native to North America east of the Great Plains and is in the family Asteraceae. [4] It is a native perennial sunflower that resembles other members of this family including the Pale Sunflower (H. decapetalus), Woodland Sunflower (H. divaricatus), Hispid Sunflower (H. hirsutus), and Jerusalem Artichoke (H ...
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