common sunflower
plant
Also known as: Helianthus annuus
Learn about this topic in these articles:
flower structure
- In angiosperm: Inflorescences
, sunflowers, Helianthus annuus), for instance, the outer (or ray) flowers have a well-developed zygomorphic corolla, and the inner (disk) flowers have a small actinomorphic corolla. The inner disk flowers generally are complete flowers, and the ray flowers generally are sterile.
Read More
sunflowers
uses
- In Asterales: Asteraceae
…importance is Helianthus annuus (sunflower), a native of North America. Sunflower seeds are excellent poultry feed and produce an oil commonly used as a salad or cooking oil, as well as in the manufacture of margarine, soap, paint, and varnish. Oil cake is fed to livestock, and the whole…
Read More