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Romaine or cos lettuce (Lactuca sativa L. var. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat.
"Meanwhile, other grocery stores may charge around $3.29 for a head of romaine lettuce and, if you opt for organic, it's going to be even more expensive." ... You can always use this time as an ...
To store romaine lettuce, put the unwashed head of lettuce in a plastic bag and stash it in a produce drawer. Find more tips and tricks to keep lettuce fresh .
Cotyledons completely unfolded; growing point or true leaf initial visible 11: First true leaf unfolded 12: 2nd true leaf unfolded 13: 3rd true leaf unfolded 1 . Stages continuous till ... 19: 9 or more true leaves unfolded 4: Development of harvestable vegetative plant parts 41: Heads begin to form: the two youngest leaves do not unfold 42
Lactuca, commonly known as lettuce, is a genus of flowering plants in the family Asteraceae. The genus includes at least 50 species, distributed worldwide, but mainly in temperate Eurasia . Its best-known representative is the garden lettuce ( Lactuca sativa ), with its many varieties.
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Red leaf lettuce—A group of lettuce types with red leaves. Romaine/Cos—Used mainly for salads and sandwiches, this type forms long, upright heads. [34] This is the most often used lettuce in Caesar salads. [26] Little Gem—a dwarf, compact romaine lettuce, popular in the UK. [39] Iceberg/Crisphead—The most popular type in the United States.
the stalk of the corn provides a pole for the beans to grow on, which then gives nitrogen to the soil of the corn. ... Beets, [6] lettuce, [60] okra, [60] ...