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potato
potato or white potato, common name for a perennial plant ( Solanum tuberosum ) of the family Solanaceae ( nightshade family) and for its swollen underground stem, a tuber, which is one of the most widely used vegetables in Western temperate climates. The plant is probably native to the Andes,...
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sweet potato
sweet potato trailing perennial plant ( Ipomoea batatas ) of the family Convolvulaceae ( morning glory family), native to the New World tropics. Cultivated from ancient times by the Aztecs for its edible tubers, it was introduced into Europe in the 16th cent. and later spread to Asia. It is now th...
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viroid
viroid microscopic infectious agent, much smaller than a virus , that infects higher plants such as potatoes, tomatoes, chrysanthemums, and cucumbers, causing stunted or distorted growth and sometimes death. It can be transmitted by pollen, seed, or farm implements. Viroids are single strands of R...
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starch
starch white, odorless, tasteless, carbohydrate powder. It plays a vital role in the biochemistry of both plants and animals and has important commercial uses. In green plants starch is produced by photosynthesis ; it is one of the chief forms in which plants store food. It is stored most abundant...
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amyloplast
amyloplast , also called leucoplast, a nonpigmented organelle, or plastid, occurring in the cytoplasm of plant cells. Amyloplasts transform glucose, a simple sugar, into starch through the process of polymerization, and store starch grains within their stretched membranes. Especially large numbers o...
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Wicklow
Wicklow town (1991 pop. 6,215), seat of Co. Wicklow, E Republic of Ireland, on the Irish Sea. It is a seaport and market for an area of potato growing and livestock raising. Chemicals, fertilizers, and farm implements are the chief manufactures. There are flour mills in the town. Tourism is also im...
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Caribou
Caribou , town (1990 pop. 9,415), Aroostook co., NE Maine, on the Aroostook River; inc. 1859. A processing and shipping hub for a potato-growing region, it is also a winter sports center. Nearby Loring Air Force Base, once important to the local economy, is now closed.
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Larne
Larne , town (1991 pop. 18,224) and district, NE Northern Ireland, on an inlet of the North Channel. The town is a seaport and a tourist center. Metal ores, beef, and potatoes are exported from Larne; among the industrial products are electrical equipment, paper, and linen. Limestone is quarried nea...
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tuber
tuber enlarged tip of a rhizome (underground stem) that stores food. Although much modified in structure, the tuber contains all the usual stem parts—bark, wood, pith, nodes, and internodes. The eyes of a potato tuber are nodes where sprouts appear, and they are arranged in the same spiral pa...
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Antrim
Antrim , district (1991 pop. 48,000), 217 sq mi (562 sq km), NE Northern Ireland. The eastern and seaward area is a picturesque region of mountains and glens; to the west, where Antrim borders on Lough Neagh, lie the fertile valleys of the Bann and the Lagan rivers. Tourism is significant. The regio...
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