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Sri Lanka's wildlife encyclopedia

Common Sunflower

சூரியகாந்தி

Helianthus annuus

Least concern Introduced

Common Sunflower
Jon Sullivan · Public domain

Overview

The common sunflower is a large annual forb in the daisy family Asteraceae. The most common varieties have large yellow orange flowers heads, that are a tall stem. The flowers produce seeds in a floret, that follows the fibonacci sequence. The domesticated form of common sunflower is harvested for its edible seeds, which come in two types: oil and confectionery seeds.

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Sources

  1. Wikipedia (EN): Common sunflower — CC BY-SA 4.0
  2. Wikipedia (TA): சூரியகாந்தி — CC BY-SA 4.0