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Most of the plant's leaves grow at ground level, with a few smaller, egg-shaped, short-stalked leaves
up the stem beneath purple-veined, yellow to purplish brown flowers. Rehmannia is only a foot or so
tall, and all 10 species are all from eastern Asia. Some researchers have reported good clinical
success with a rehmannia extract used against arthritis pain and asthma. Studies show that rehmannia
encourages fluid excretion, relaxes blood vessels, and stimulates the adrenal glands.
Rehmannia can also help with, High blood pressure, hives, kidney disease, anemia, hepatitis,
cataracts, hemorrhage, insomnia, lumbago, measles, tonnitus, and palpitations.
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