symbolism definition symbolism is the use of symbols to signify ideas and qualities by giving them symbolic meanings that are different from their literal sense symbolism can take different formsymbolism definition symbolism is the use of symbols to signify ideas and qualities by giving them symbolic meanings that are different from their literal sense symbolism can take different forms
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.erennial 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.
The common name, sunflower, also applies to the popular annual species Helianthus annuus, the common sunflower. This and other species, notably Jerusalem artichoke (H. tuberosus), are cultivated in temperate regions as food crops and ornamental plants.unflowers are usually tall annuals, that grow to a height of 50â400 centimetres (20â157 in). The rough and hairy stem is branched in the upper part in wild plants but is usually unbranched in domesticated cultivars.