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Warren, Whitney

(Encyclopedia)Warren, Whitney, 1864–1943, American architect, b. New York City, studied at the École des Beaux-Arts. He began practice in New York City in 1894. Later he joined with Charles D. Wetmore in a firm ...

Maddox, Lester G.

(Encyclopedia)Maddox, Lester G. (Lester Garfield Maddox, Sr), 1915–2003, U.S. public official, governor of Georgia (1967–71), b. Atlanta. He achieved national notoriety in 1964 when he drove African Americans f...

perennial

(Encyclopedia)perennial, any plant that under natural conditions lives for several to many growing seasons, as contrasted to an annual or a biennial. Botanically, the term perennial applies to both woody and herbac...

gibberellins

(Encyclopedia)gibberellins jĭbˌərĕlˈĭnz [key], a group of growth-regulating substances of plants, having complex chemical structure, of which the best known, gibberellic acid, is noted for its promotion of st...

kohlrabi

(Encyclopedia)kohlrabi kōlˈräˈbē [key] [Ger. partly from Ital.,=turnip cabbage], plant (Brassica caulorapa, sometimes classified as var. caulorapa of the cabbage species) of the family Cruciferae (or Brassicac...

kudzu

(Encyclopedia)kudzu ko͝odˈzo͞o [key], plant of the family Leguminosae (pulse family), native to Japan. Kudzu (Pueraria thunbergiana) has a woody stem, broad leaves, and clusters of large purple flowers. It is us...

tomahawk

(Encyclopedia)tomahawk [from an Algonquian dialect of Virginia], hatchet generally used by Native North Americans as a hand weapon and as a missile. The earliest tomahawks were made of stone, with one edge or two e...

tragacanth

(Encyclopedia)tragacanth trăgˈəkănth [key] or gum tragacanth, gummy exudation from the leguminous shrub Astragalus gummifer and related pulse family plants of SE Europe and W Asia. It is obtained through incisi...

Evans, Sir Martin John

(Encyclopedia)Evans, Sir Martin John, British geneticist, Ph.D., University College London, 1969. After serving on the faculty at University College London (1966–78) and Cambridge (1978–99), he became a profess...

hop

(Encyclopedia)hop, herbaceous perennial vine of the family Moraceae (mulberry family), widely cultivated since early times for brewing purposes. The commercial hop (Humulus lupulus) is native to Eurasia but is now ...