Net photosynthesis, dark respiration, and growth of Rumex patientia L. exposed to a ultraviolet irradiance (288-315 nanometers) simulating a 0.18 atm·cm stratospheric ozone column were determined. The ...
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Sorrel (Rumex scutatus)

All forms of sorrel are edible, but the weedier forms may have a bitter flavour due to high oxalate levels. You may have encountered sorrel as a garden weed. It produces bright-green, shield-shaped ...