Sentence examples for crisphead lettuce from inspiring English sources

A lettuce that went by the name of iceberg was developed in the 1890's, and somehow the name resurfaced when new varieties of durable, easily shippable crisphead lettuce began emerging in California in the mid-1920's.

After the 1940s, with the development of iceberg lettuce, 95 percent of the lettuce grown and consumed in the US was crisphead lettuce.

While the estimate of r2 at a distance of 8 cM was 0.124 for the whole set, it was 0.247 for romaine type and 0.345 for crisphead lettuce.

By the late 20th century, the preferred types began to change, with crisphead, especially iceberg, lettuce becoming the dominant type in northern Europe and Great Britain and more popular in western Europe.

Crisphead – Better known as "iceberg" lettuce, the most popular lettuce in the US, this type is very heat-sensitive and was originally adapted for growth in the northern US.

One of a variety of cabbage-like lettuces called crisphead, iceberg is distinguished by thick interior leaves that are forced, as they grow, into fractal labyrinths, which fold over and back on themselves until they are a self-supporting mass.

The seven types include crisphead (combined iceberg and Batavia-type lettuces), romaine, butterhead, Latin, leaf, stem, and oil lettuces.

The butterhead and crisphead types are sometimes known together as "cabbage" lettuce, because their heads are shorter, flatter, and more cabbage-like than romaine lettuces.

Summercrisp – Also called Batavian or French Crisp, this lettuce is midway between the crisphead and leaf types.

Microarray technology presented in this paper yielded an in depth analysis of diversity for lettuce germplasm separating even closely related lines such as the crisphead class.

Best separated were crisphead (this type combines iceberg and Batavia), romaine, butterhead plus Latin, and stem-type lettuces.