Geranium, Cardamine pratensis, mallows, Rubus, Oxalis, Epilobium, &c., but many species show more or less well-marked median symmetry (zygomorphism) as Euphrasia, Orchis, thyme, &c., and red, blue and violet are the usual colours.
Bonnier showed that the same relationship could be proved in the cases of such plants as the rattle (RhinanThus), the eye-bright (Euphrasia), and other members of the Natural Orders, Scrophulariaceae and Santalaceae, which effect a union between their roots and the roots of other plants growing near them.
For symptom relief, western herbal remedies including eyebright (Euphrasia officinalis) and nettle (Urtica dioica) may be helpful.
Other useful herbs to reduce symptoms are yarrow (Achillea millefolium), eyebright (Euphrasia officinalis), garlic (Allium sativum), and onions (Allium cepa).
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