Ribena pure fruit syrups for the manufacture of milkshakes had been done at the Long Ashton Agriculture and Horticulture Research Station in North Somerset using a pectinase enzyme process; Ribena was essentially invented there by Vernon Charley, a scientist at the University of Bristol in 1933. The blackcurrant variety was found to contain high levels of vitamin C. The drink was launched in 1938 under the name Ribena (from the botanical name for the blackcurrant, "Ribes nigrum"). During the Second World War, other fruits rich in vitamin C, like oranges, became almost impossible to obtain in the United Kingdom, due to
Ribes marshallii lobes. Glandular hairs occur on veins and leaf margins. The inflorescence is a solitary flower or raceme of up to three flowers which hang pendent from the branches from leaf axils. The small, showy flower has five pointed purple-red sepals which are reflexed upward. At the center is a tubular corolla of bright yellow petals from which emerge five stamens and two thin, mostly fused styles. The fruit is a prickly oblong berry up to 2 centimeters (0.8 inch) long which ripens to dark red. The fruits are edible and reputedly palatable. Ribes marshallii Ribes marshallii is a North American