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R. crenulata Perennial.
Short perennial stems. Flower stems 5 to
20 cm tall or taller, fan-arranged.
Alternative leaf, elliptic, oblong or
rotund. Integrifolious, wavy or crenate.
Corymb with many red flowers. Flowering:
June to July. Cold hygrophilous.
himalayas, Niamqin Tanggulas. Alpine
shrubland and grassland. Scree.
Northwestern Yunnan, west Sichuan. Nepal,
Sikkim and Bhutan. Red leaves in autumn.
Medicinal.
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