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The Wild Flowers of Mountain Temperate Forest Region

R. principis Evergreen little tree, 1.5 to 3m high. Leathery leaf, oblong obovate or oblong lanceolate, grey white or brown back. short raceme, 8 to 13 flowers, pink, purple patched. Flowering: Uune to Aug. Cold resistant. Tibetan endemic. South to southeast Tibet, 3600m, alpine scrubs or dark coniferous forestedges.