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In page Camassia quamash:

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The genus name comes from the Nez Perce Indian name for this plant, and means "sweet".[1] Qém'es, a term for the plant's bulb, which was gathered and used as a food source by tribes in the Pacific Northwest, and were an important food source for the Lewis and Clark Expedition (1804–1806).[1] The bulbs were harvested and pit-roasted or boiled by women of the Nez Perce, Cree, and Blackfoot tribes.