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Asclepias perennis, also known as aquatic milkweed or white swamp milkweed (not to be confused with swamp milkweed; Asclepias incarnata), is a North American species of milkweed that is found throughout the Coastal Plain from eastern Texas to southern South Carolina, northward along the Mississippi River, and into the Ohio Valley of Illinois, Indiana, and Kentucky.
Asclepias incarnata, the swamp milkweed, rose milkweed, rose milkflower, swamp silkweed, or white Indian hemp, is a herbaceous perennial plant species native to North America. [ 3 ] [ 4 ] It grows in damp through wet soils and also is cultivated as a garden plant for its flowers , which attract butterflies and other pollinators with nectar .
Asclepias curassavica, commonly known as tropical milkweed, [3] is a flowering plant species of the milkweed genus, Asclepias. [4] It is native to the American tropics [ 5 ] and has a pantropical distribution as an introduced species .
Closeup of flowers. Asclepias fascicularis is a flowering perennial herb sending up many thin, erect stems and bearing distinctive long pointed leaves which are very narrow and often whorled about the stem, giving the plant its common names.
Yet, with statistical methods, it is possible to detect the tolerance level from field data. [1] [8] [9] Salt Farm Texel, a Dutch-based research company has identified various crops that have considerable amount of salt tolerance. [10] Maas–Hoffman model for wheat production and soil salinity in farmland. The salt tolerance (breakpoint ...
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A monarch butterfly on swamp milkweed Asclepias syriaca seed pods, upper image from August and lower from December Milkweed sprout, a few days after sowing Chemical structure of oleandrin, one of the cardiac glycosides. Members of the genus produce some of the most complex flowers in the plant kingdom, comparable to orchids in complexity.
In this example the crop has a salt tolerance (threshold) of ECe = Pb = 7 dS/m beyond which the yield diminishes. The Maas–Hoffman model is a mathematical tool to characterize the relation between crop production and soil salinity .
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