Cucumber (Cucumis sativus) is a widely-cultivated creeping vine plant in the Cucurbitaceae family that bears usually cylindrical fruits, which are used as vegetables. ... The cucumber originates from South Asia, but now grows on most continents, as many different types of cucumber are traded on the global market,is 95% water, 4% carbohydrates, 1% protein, and contains negligible fat. Cucumber provides 67 kilojoules (16 kilocalories) of food energy, and supplies low content of micronutrients, as it is notable only for vitamin K at 16% of the Daily Value (table).