Lettuce and Its legend.
Article Content:
- .Basic Botanical Data of Lettuce.
- .Brief Description of Lettuce.
- .Lettuce history in ancient world.
- .Modern lettuce types class.
- .Edible Uses and Nutritional compositions.
- .Medicinal Uses Disclaimer.
- .Other reactions and Uses.
- .Research Update:Lettuce or Lactuca sativa.
Basic Botanical Data of Lettuce.
Common Name: Lettuce
Official Latin Name: Lactuca virosa; Lactuca sativa L.
Botanical name: Lactuca sativa (milk sap)
Genus: Lactuca
Species: sativa
Cultivar: 'Dynamite'
Family name: Compositae (Asteraceae) , Tribe Chichorieae
The Latin name (Lactuca) is derived from the Latin root word "lac" or milk.
Common name(s): lettuce, garden lettuce, ruoka salaatti, insalata, kopfsalat
"Lettuce" derived from the French "laitue" meaning "milk".
"Sativa" means grown from seed.
Time to plant seeds: March to October
Flowering:Annual
Inflorescence Panicle:consisting of a cluster of flower heads, each made up of 15-25 or more flowers.
Flowers:Perfect, having ligulate corollas only.
Ovary:Inferior
Fruit:Achene (single seeded indehiscent dry fruit)
Pollination:Mostly selfed because of flower structure. The pistil grows up through the closely grouped stamens on which the pollen has already been shed. Some crossing (1.3-6.2%) has been demonstrated.
Chromosome Number: 9 pairs
Crossing Relationships:Crosses readily with wild lettuce, Lactuca serriola
Type of Cultivar:Pureline (open pollinated)
Economic Importance:Value of U.S. crop in 2000: $1.3 billion head, $312 million leaf, and $290 million for romaine.
Reference:
1.Lettuce and Its legend.




