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pokeweed

(Encyclopedia)pokeweed or pokeberry, tall, bushy perennial herb (Phytolacca americana) native to North America but cultivated and naturalized in Europe. The long clusters of white flowers are followed by purplish b...

salpiglossis

(Encyclopedia)salpiglossis sălˌpəglŏsˈəs [key], any plant of the genus Salpiglossis of the family Solanaceae (nightshade family), herbs native to Chile and widely cultivated elsewhere as garden annuals for th...

cattail

(Encyclopedia)cattail or reed mace, any plant of the genus Typha, perennial herbs found in almost all open marshes. The cattail (also called club rush) has long narrow leaves, sometimes used for weaving chair seats...

Padang

(Encyclopedia)Padang pädängˈ [key], city (1990 pop. 631,263), capital of Sumatra Barat prov., on W Sumatra, Indonesia, on the Indian Ocean at the mouth of the small Padang River. An important port, it has a larg...

madder

(Encyclopedia)CE5 Bluet, Houstonia caerulea, a member of the madder family madder, common name for the Rubiaceae, a family of chiefly tropical and subtropical trees, shrubs, and herbs, especially abundant in N ...

carbon cycle

(Encyclopedia)CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by plants into sim...

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...

power, electric

(Encyclopedia)power, electric, energy dissipated in an electrical or electronic circuit or device per unit of time. The electrical energy supplied by a current to an appliance enables it to do work or provide some ...

fern

(Encyclopedia)CE5 Life cycle of a fern fern, any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain fores...

Derg, Lough

(Encyclopedia)Derg, Lough lŏkh dĕrg [key], in Ireland. 1 Expansion of the Shannon River, 23 mi (37 km) long and 1 to 5 mi (1.6–8 km) wide, W central Republic of Ireland. On the lake is the republic's first (192...