Columbia Encyclopedia

Search results

500 results found

bee-eater

(Encyclopedia)bee-eater, any of the brightly colored, insect-eating birds of the family Meropidae. They range in length from 6 to 14 in. (15–36 cm). The plumage of many species is predominantly green but usually ...

logania

(Encyclopedia)logania lōgāˈnēə [key], common name for the Loganiaceae, a family of herbs, shrubs, and trees of warmer climates, including many woody climbing species. Some plants of this family are grown in th...

cicada

(Encyclopedia)cicada sĭkāˈdə [key], large, noise-producing insect of the order Homoptera, with a stout body, a wide, blunt head, protruding eyes, and two pairs of membranous wings. The front wings, which are lo...

toothwort

(Encyclopedia)toothwort, any species of the genus Dentaria [Lat. dens=tooth, for the toothed rhizomes of some species], slender perennials of the family Cruciferae (or Brassicaceae; mustard family), native to north...

bluegrass

(Encyclopedia)bluegrass, any species of the large and widely distributed genus Poa, chiefly range and pasture grasses of economic importance in temperate and cool regions. In general, bluegrasses are perennial with...

rafflesia

(Encyclopedia)rafflesia răflēˈzhə [key], any of a genus (Rafflesia) of parasitic plants native to the rain forests of the Malay peninsula, Sumatra, Borneo, and the Philippines. The plants have no roots, stems, ...

goldenrod

(Encyclopedia)goldenrod, any species of the large genus Solidago of the family Asteraceae (aster family), chiefly North American weedy herbs. They have small yellow flowers clustered, often in panicles, along a wan...

tarweed

(Encyclopedia)tarweed, any of several related resinous herbs (chiefly species of Hemizonia and Madia) of the family Asteraceae (aster family), having strongly scented and sticky herbage. Most North American species...

blenny

(Encyclopedia)blenny, common name of various species of extremely numerous small fishes belonging to the suborders Blennioidei (blennies) and Notothenioidei (Antarctic blennies). They are characterized by elongated...

biological diversity

(Encyclopedia)biological diversity or biodiversity, the number of species in a given habitat. Scientists have variously estimated that there are from 3 to 30 million extant species, of which 2.5 million have been c...

Browse by Subject