Botanical name: Impatiens sulcata Family: Balsaminaceae (Balsam family)
Synonyms: Impatiens gigantea
Gigantic Himalayan Balsam is hairless annual plant, growing up to 3 m. It is very similar to Himalayan Balsam, but larger, and differs in a few respects. Its leaves have gennerally rounded teeth, and not acute as in Himalayan Balsam. Also the fruit is linear, whereas it is club-shaped in Himalayan Balsam. Flowers are pink, purple or crimson, with darker spotted sac like lower sepal. It is found at altitudes of 1800-4000 m in the Himalayas. Flowering: July-September.
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The flower labeled Gigantic Himalayan Balsam is ...