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2. Helianthus - Wikipedia

   en.wikipedia.org/wiki/Helianthus

   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.

3. Perennial sunflower - Wikipedia

   en.wikipedia.org/wiki/Perennial_sunflower

   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 ...

4. Are Sunflowers Perennials That Will Return Year After Year in ...

   www.aol.com/sunflowers-perennials-return-garden...

   There are close to 150 species of sunflowers in the genus Helianthus. Most are characterized by brightly colored flowers and rough, sandpaper-like foliage. Most are characterized by brightly ...

5. Common sunflower - Wikipedia

   en.wikipedia.org/wiki/Common_sunflower

   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 .

6. Jerusalem artichoke - Wikipedia

   en.wikipedia.org/wiki/Jerusalem_artichoke

   Helianthus tuberosus is a herbaceous perennial plant growing to 1.5–3 m (4 ft 11 in – 9 ft 10 in) tall with opposite leaves on the lower part of the stem but alternate towards the top. [7] The leaves have a rough, hairy texture. Larger leaves on the lower stem are broad ovoid-acute and can be up to 30 cm (12 in) long. Leaves higher on the ...

7. Helianthus giganteus - Wikipedia

   en.wikipedia.org/wiki/Helianthus_giganteus

   Helianthus giganteus is a perennial herbaceous plant native to the northern United States and southern Canada that can grow up to 1–3 metres (3.3–9.8 ft) tall with instances to 4m (13 feet). The leaves are approximately 1 inch wide by 7 inches long, and partly rough.