Botanical name : Helianthus annuus linn. Family : Asteraceae (Compositae) Vernacular name : Surya-phul, suraj-mukhi. Sunflower is native of Mexico and Peru. It was introduced into Europe towards the end of 16th century. In recent years Sunflower seed oil has been playing an impoprtant role in the worlds fat, oil industry. It has come to acquire third position among edible, soap and vegetable oils, traded in international markets. Botanical description The sunflower plant is a coarse tall annual. It possess herbaceous stem, and is covered with rough hairs. It is 1.5 to 3.0 metres in height. The leaves are large, ovate or cordate dark green. They are simple alternate and exstipulate. The inflorence is head or capitulum borne in terminal position. the inflorescence bears two types of florets tubluar, bisexual disc florets and peripheral, ligulate florets ...
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