Lactuca Sativa is the Latin name for which vegetable, which has varieties including Summercrisp, Butterhead and Romaine?
Lettuce production in China and consumed within the country. The common types of lettuce grown are the Butterhead ("Lactuca sativa var. capitata"), the Crisphead ("Lactuca sativa var. capitata"), the Looseleaf ("Lactuca sativa var. crispa"), the Romaine ("Lactuca sativa var. longifolia"), and the Celtuce. Celtuce is grown widely in the country and its stems are prepared as a cooked vegetable. Celtuce ("Lactuca sativa var. angustana)", an endemic plant of China, is also called stem lettuce. The name is derived from two words “celery” and “lettuce.” It is succulent, has thick stem and tender leaves. The plant grows to a height of 10 to 12 inches
Oryza sativa Mountains of northern Luzon, Philippines. Glaszmann (1987) used isozymes to sort "O. sativa" into six groups: "japonica", "aromatic", "indica", "aus", "rayada", and "ashina". Garris "et al." (2004) used simple sequence repeats to sort "O. sativa" into five groups: "temperate japonica", "tropical japonica" and "aromatic" comprise the "japonica" varieties, while "indica" and "aus" comprise the "indica" varieties. Rice has been cultivated since ancient times and "oryza" is a classical Latin word for rice. "Sativa" means "cultivated". Debates on the origins of the domesticated rice are numerous. In 2011, genetic evidence showed that all forms of Asian rice, both "indica" and "japonica",