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Cicerbita Alpina
''Cicerbita alpina'', commonly known as the alpine sow-thistle or alpine blue-sow-thistle is a perennial herbaceous species of plant sometimes placed in the genus '' Cicerbita'' of the family Asteraceae, and sometimes placed in the genus ''Lactuca'' as ''Lactuca alpina''. It is native to upland and mountainous parts of Europe.
It was once used as an herb in Sami cooking, and known as ''jierja''.
Description
''Cicerbita alpina'' on average reaches in height, with a minimum height of and a maximum height of . The stem is erect and usually unbranched. It has glandular hairs and contains a white milky juice, a kind of latex. The alternate leaves are broad, triangular and clasping the stem, bluish-grey beneath, hairy along the veins and with toothed margins. The inflorescence is a panicle. Each composite flower is about wide and is set within a whorl of bracts. The individual blue-violet florets are tongue-like with a toothed, truncated tip, each having five stamens and a fused car ...
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Lactuca
''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. "Wild lettuce" commonly refers to the wild-growing relatives of common garden lettuce. Many species are common weeds. ''Lactuca'' species are diverse and take a wide variety of forms. They are annuals, biennials, perennials, or shrubs. Their flower heads have yellow, blue, or white ray florets. Some species are bitter-tasting.
Most wild lettuces are xerophytes, adapted to dry habitat types. Some occur in more moist areas, such as the mountains of central Africa.
Diversity
There are different concepts of the species within ''Lactuca''. It is not clear how many distinct species are known, and estimates vary from 50 [ ] [...More Info...]
     
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Cicerbita Canadensis
''Lactuca canadensis'' is a species of wild lettuce known by the common names Canada lettuce, Canada wild lettuce, tall lettuce, and Florida blue lettuce.Weakley, Alan S''. Flora of the Southern and Mid-Atlantic States.'' UNC Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill. May 2015 edition. Retrieved from http://herbarium.unc.edu/flora.htm, Nov 2016. Its true native range is not clear, but it is considered to be a native of the eastern and central parts of North America. It naturalized in the western part of the continent as well as in Eurasia. ), silt (particle size > ), and a smaller amount of clay (particle size < ). By weight, its mineral composition is about 40–40–20% concentration of sand–sil ... y soil is best for fertility, however, a clay-loam and gravely soil are tolerated. Size varies depending on growing conditions, it may resemble a weed.
References
Externa ...
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