Botanical name: Parnassia nubicola subsp. occidentalis Family: Celastraceae (Spike-thorn family)
Himalayan Bog Star is a perennial herb easily distinguished by its solitary white flower borne on a slender stem 11-30 cm tall, with a single stalkless, stem-clasping ovate leaf arising from below the middle of the stem, and many many stalked leaves at the base. Flower is 1.5-2.5 cm across, with 5 spreading, often finely toothed, oblong to obovate petals. Sepals are blunt, hairless. Stamens are 5, alternating with 5 fleshy 3-lobed nectaries. Leaves at the base are long-stalked, elliptic-heart- shaped, pointed, 2.5-5 cm long. Himalayan Bog Star is found in the Himalayas, from Afghanistan to Kumaon, at altitudes of 2900-4300 m. Flowering: July-September.
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The flower labeled Himalayan Bog Star is ...