Columbia Encyclopedia

Search results

56 results found

potato

(Encyclopedia)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 widel...

potato beetle

(Encyclopedia)potato beetle, name for two beetles of the leaf beetle family and for two of the blister beetle family, all destructive to the potato plant and its relatives. Most notorious is the Colorado potato bee...

sweet potato

(Encyclopedia)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 edibl...

morning glory

(Encyclopedia)CE5 Morning glory, Convolvulus arvensis morning glory, common name for members of the Convolvulaceae, a family of herbs, shrubs, and small trees (many of them climbing forms) inhabiting warm regio...

Wicklow, town, Republic of Ireland

(Encyclopedia)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, a...

Bolley, Henry Luke

(Encyclopedia)Bolley, Henry Luke, 1865–1956, American plant pathologist, b. Dearborn co., Ind. He is noted for his work on organisms causing diseases of crop plants (including the discovery of the cause of potato...

Mont Laurier

(Encyclopedia)Mont Laurier môN lōˈrēāˌ [key], town (1991 pop. 7,862), SW Que., Canada, on the Lièvre River, N of Ottawa. Located in the Laurentian Mts., it is a winter resort in a lumbering and potato-growin...

tuber

(Encyclopedia)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 ey...

Damanhur

(Encyclopedia)Damanhur dämänho͝orˈ [key], city (1986 pop. 188,939), capital of Beheira governorate, N Egypt, in the Nile River delta. It is a communications center and a market for cotton and rice. Industries i...

Browse by Subject