sunflower

From sun +‎ flower. Compare English sunbloom.

• (General American) IPA^(key): /ˈsʌnˌflaʊ.ɚ/
• (Received Pronunciation) IPA^(key): /ˈsʌnˌflaʊə/

• Audio (southern England)

  (file)

• Hyphenation: sun‧flow‧er

sunflower (plural sunflowers)

1. Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.
   • 1954 July 29, J.R.R. Tolkien, “I: A Long-Expected Party”, in The Fellowship of the Ring (The Lord of the Rings; 1), →ISBN:

     The flowers glowed red and golden: snapdragons and sunflowers, and nasturtians trailing all over the turf walls and peeping in at the round windows.

   1. The commonly cultivated species, Helianthus annuus, a native of America.
2. A bright yellow, like that of the flower petals.

   sunflower:  

3. (informal, organic chemistry) Any flat, radially symmetric organic compound such as coronene
4. (pathology) Synonym of worm-star

• sunbloom
• turnsole

• sunchoke

• blueweed
• girasol
• helianthus
• Jerusalem artichoke
• moonflower
• Appendix:Colors

• sunflower on Wikipedia.Wikipedia
• Helianthus on Wikispecies.Wikispecies
• Helianthus on Wikimedia Commons.Wikimedia Commons
• sunflower at USDA Plants database
• sunflower at Integrated Taxonomic Information System.

• unflowers