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saprophyte

(Encyclopedia) saprophytesaprophytesăpˈrəfītˌ [key], any plant that depends on dead plant or animal tissue for a source of nutrition and metabolic energy, e.g., most fungi (molds) and a few flowering…

Pfeffer, Wilhelm

(Encyclopedia) Pfeffer, WilhelmPfeffer, Wilhelmvĭlˈhĕlm pfĕˈfər [key], 1845–1920, German plant physiologist. He was professor of botany successively at the universities of Bonn, Basel, Tübingen, and…

halophyte

(Encyclopedia) halophytehalophytehălˈəfītˌ [key], any plant, especially a seed plant, that is able to grow in habitats excessively rich in salts, such as salt marshes, sea coasts, and saline or…

Aiken

(Encyclopedia) Aiken, city (2020 pop. 32,025), seat of Aiken co., W S.C.; inc. 1835. A resort and polo center and a training area for Thoroughbreds, Aiken has apparel, printing and…

star-of-Bethlehem, in botany

(Encyclopedia) star-of-Bethlehem, in botany, low, spring-blooming bulbous plant (Ornithogalum umbellatum) of the family Liliaceae (lily family), native to the Mediterranean region but naturalized in…

Rjukan

(Encyclopedia) RjukanRjukanrē&oomacr;ˈkän [key], town, Telemark co., S Norway, on the Rjukanfoss, one of several high waterfalls of the Måne River. Its large power stations supply electricity to…

blight

(Encyclopedia) blight, general term for any sudden and severe plant disease or for the agent that causes it. The term is now applied chiefly to diseases caused by bacteria (e.g., bean blights and…

woad

(Encyclopedia) woad, name for a perennial plant (Isatis tinctoria) of the family Cruciferae (or Brassicaceae; mustard family) and for a blue dye obtained from its leaves. The plant is believed to be…

New Zealand spinach

(Encyclopedia) New Zealand spinach, succulent annual (Tetragonia expansa) of Australia, New Zealand, Japan, and S South America, grown for the edible leaves. The plant grows prostrate, often…

tissue culture

(Encyclopedia) tissue culture, the propagation of plants through the placement of small amounts of undifferentiated tissue or single cells in an artificial environment. The tissue is placed in a…