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P. ioessa Perennial. 10
to 30 cm. Steno-obong, oblanceolate or
spoonform leaf. Terminal umbel,
2¡«3 or more flowers;
campanulate corolla, 2 to 2.5 cm long, the
diameter of limb: 2 to 2.5 cm, pink or
blue-violet, July to Aug. Cold, mosture
and light tendency. Tibetan endemic.
Southeast Tibet. 3600 to 4000 m,
barren.
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