Columbia Encyclopedia

Search results

36 results found

sweet pea

(Encyclopedia)sweet pea, annual climbing plant (Lathyrus odoratus) of the family Leguminosae (pulse family), a legume native to S Europe but, since its introduction to horticulture c.1700, widely cultivated for its...

vegetative propagation

(Encyclopedia)vegetative propagation, the ability of plants to reproduce without sexual reproduction, by producing new plants from existing vegetative structures. Some plants, such as the Canada thistle and most ba...

garden

(Encyclopedia)garden, land set aside for the cultivation of flowers, herbs, vegetables, or small fruits, for either utility or ornament. Gardens range in size from window boxes and small dooryard plots to the publi...

Ingushetia

(Encyclopedia)Ingushetia ĭngo͞oshˈ [key], republic, c.1,240 sq mi (3,210 sq km), Russian Federation, in the N Caucasus. The capital (since 2003) is Magas, a new city in the suburbs of Nazran, the former capital....

Tasaday

(Encyclopedia)Tasaday, alleged band of 25 hunter-gatherers living in the Philippine rain forest, purportedly contacted by Westerners for the first time in 1971 in southern Mindanao (Cotabato Province). They reporte...

Apache

(Encyclopedia)Apache əpăchˈē [key], Native North Americans of the Southwest composed of six culturally related groups. They speak a language that has various dialects and belongs to the Athabascan branch of the...

sand

(Encyclopedia)sand, rock material occurring in the form of loose, rounded or angular grains, varying in size from .06 mm to 2 mm in diameter, the particles being smaller than those of gravel and larger than those o...

botany

(Encyclopedia)botany, science devoted to the study of plants. Botany, microbiology, and zoology together compose the science of biology. Humanity's earliest concern with plants was with their practical uses, i.e., ...

agriculture

(Encyclopedia)agriculture, science and practice of producing crops and livestock from the natural resources of the earth. The primary aim of agriculture is to cause the land to produce more abundantly and at the sa...

pine

(Encyclopedia)pine, common name for members of the Pinaceae, a family of resinous woody trees with needlelike, usually evergreen leaves. The Pinaceae reproduce by means of cones (see cone) rather than flowers and m...

Browse by Subject