Columbia Encyclopedia

Search results

500 results found

oleaster

(Encyclopedia)oleaster ōˌlēăsˈtər [key], common name for members of the Elaeagnaceae, a family principally of shrubs with leathery leaves and a dense covering of glistening hairs. Most members of the family a...

lily of the valley

(Encyclopedia)lily of the valley, common name for either of the two species of Convallaria, spring-blooming perennials of the family Liliaceae (lily family). C. majalis, the species usually in cultivation, is nativ...

limpet

(Encyclopedia)limpet, marine gastropod mollusk with a simple, flattened, conical shell, found in cooler waters of the Atlantic and the Pacific oceans. Certain species creep over rocks, feeding on algae during high ...

arrowhead

(Encyclopedia)CE5 Broad-leaved arrowhead, Sagittaria latifolia arrowhead, any plant of the genus Sagittaria, widely distributed marsh or aquatic herbs of the primitive family Alismataceae (water-plantain family...

larkspur, in botany

(Encyclopedia)larkspur, any north temperate, Old World annual of the genus Consolida of the buttercup family. Consolida species were formerly classified in the genus Delphinium, which includes similar annual, bienn...

wheat grass

(Encyclopedia)wheat grass, any plant of the genus Agropyron, cool-season perennials of the family Poaceae (grass family). Species of wheat grass, both native and introduced, are important range forage grasses in th...

Brazil nut

(Encyclopedia)Brazil nut, common name for the Lecythidaceae, a family of tropical trees. It includes the anchovy pear (Grias cauliflora), a West Indian species with edible fruit used for pickles, and several lumber...

buckthorn

(Encyclopedia)buckthorn, common name for some members of the Rhamnaceae, a family of woody shrubs, small trees, and climbing vines widely distributed throughout the world. The buckthorns (several species of the gen...

redbud

(Encyclopedia)redbud or Judas tree, name for trees and shrubs of the genus Cercis, handsome plants of the family Leguminosae (pulse family), covered along the branches in the early spring with deep rose or (rarely)...

thrips

(Encyclopedia)thrips, minute, agile insects of the order Thysanoptera. Thrips have piercing-and-sucking mouthparts and cup-shaped feet from which bladderlike adhesive organs may be extended. Some species are wingle...