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symbiosis

(Encyclopedia)symbiosis sĭmbēōˈsĭs [key], the habitual living together of organisms of different species. The term is usually restricted to a dependent relationship that is beneficial to both participants (als...

saffron

(Encyclopedia)saffron, name for a fall-flowering plant (Crocus sativus) of the family Iridaceae (iris family) and also for a dye obtained therefrom. The plant is native to Asia Minor, where for centuries it has bee...

Jennings

(Encyclopedia)Jennings, city (1990 pop. 11,305), seat of Jefferson Davis parish, SW La., on the Mermentau River; inc. 1888. Cotton and rice are grown, there is a bottling plant, and drugs, machinery, apparel, and w...

Akranes

(Encyclopedia)Akranes äˈkränĕsˌ [key], town, SW Iceland, on a peninsula in the Faxaflói. It is a fishing port and industrial center, with a huge cement plant. ...

North Fork

(Encyclopedia)North Fork, river, c.100 mi (160 km) long, rising in the Ozarks, S Mo., and flowing S, into N Ark., to the White River. Near its mouth is Norfolk Dam (completed 1944), which impounds Norfolk Lake and ...

leaf mold

(Encyclopedia)leaf mold, crumbly brown humus typical of forest floors. It is composed of decayed leaves and other plant material mixed with soil. ...

Jerusalem artichoke

(Encyclopedia)Jerusalem artichoke, tuberous-rooted perennial (Helianthus tuberosus) of the family Asteraceae (aster family), native to North America, where it was early cultivated by the indigenous inhabitants. In ...

nicotiana

(Encyclopedia)nicotiana nĭkōˌshēāˈnə [key], any plant of the genus Nicotiana of the family Solanaceae (nightshade family). Most species are herbs native to tropical America, although there are a few North Am...

camellia

(Encyclopedia)camellia kəmēlˈyə [key] [for G. J. Kamel, a Moravian Jesuit missionary], any plant of the genus Camellia in the tea family, evergreen shrubs or small trees native to Asia but now cultivated extens...

bugbane

(Encyclopedia)bugbane, any plant of the genus Cimicifuga, tall north-temperate perennials of the family Ranunculaceae (buttercup family). The white spirelike bloom has a rank odor that attracts flies, which pollina...