Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status.AL , AR , DC , DE , FL , GA , IL , IN , KY , LA , MD , MO , MS , NC , NJ , NY , OH , OK , PA , SC , TN , TX , VA , WVIt is a host plant for the Silvery Checkerspot butterfly. One plant can produce 3 to 16 flower heads, each with 10 to 20 ray florets surrounding at least 75 disc florets.
All rights reserved. Copyright © 2013-2020 World of Flowering Plants. They need sun.
So, you will need to either harvest the Sunflower heads before the seeds begin to fall out, or you will need to plant your Sunflowers in a location where you do not mind any nearby grass being killed.Fourth, keep in mind the height of the Sunflower variety you have chosen.
Common Name. Many sunflower varieties are grown primarily to harvest seeds, the oil of which is a booming international business.
The leaf surface is often glossy but sometimes dull. Common Name(s): Narrow Leaf Sunflower; Narrow-Leaved Coreopsis; Sunflower; Swamp Sunflower; Previously known as: Coreopsis angustifolia; Phonetic Spelling hee-lee-AN-thus an-gus-tee-FOH-lee-us Description.
sunflower Asteraceae (Compositae) Synonyms: Helianthus atrorubens, Helianthus floridanus, Helianthus divaricatus Helianthus resinosus, Helianthus heterophyllus, Helianthus microcephalus, Helianthus strumosus, Helianthus hirsutus, Helianthus occidentalis This plant is a favorite of pollinators and songbirds. The crushed leaves are used as a poultice on sores, swellings, snakebites and spider bites.
May be confused with Vernonia texana when sterile, but can be distinguished by its leaves which are linear and have edges which curl under, while those of Vernonia are strongly lance shaped and curl inward.Experiments by Nichols (1934) indicated that cold stratification slightly increased and speeded germination.
Members of the genus Helianthus support the following specialized bees: Andrena (Callandrena s.l.)
The bright yellow color displays well against any green background.
It is a large perennial that can grow up to 8 feet tall with showy yellow daisy-like flowers from mid to late summer into fall. Blooms in late summer into fall.Leaves are narrow, willowy, scratchy, simple, hairy and pointed at the tip.
Flowers (or reproductive structures): Helianthus angustifolius has radially symmetric flowerheads 2-3 inches across, with dark brown/purple globe-shaped cones of disc florets surrounded by 10 to 20 golden yellow ray florets. Blades are long and narrow. Animal Use. They need sun.
Helianthus Angustifolius.
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