Columbia Encyclopedia

Search results

500 results found

rabbitbrush

(Encyclopedia)rabbitbrush, name for shrubby plants of the American genus Chrysothamnus of the family Asteraceae (aster family). They grow in arid regions of the W United States and in Mexico and are characteristic ...

radish

(Encyclopedia)radish, herbaceous plant (Raphanus sativus) belonging to the family Cruciferae (or Brassicaceae; mustard family), with an edible, pungent root sliced in salads or used as a relish. It is thought to be...

four-o'clock

(Encyclopedia)four-o'clock, common name for members of the Nyctaginaceae, a family of plants found in warm climates, especially in the Americas, chiefly as herbs but often in the tropics as shrubs or trees. Species...

apricot

(Encyclopedia)apricot [Arabic from Lat.,=early ripe], tree, Prunus armeniaca, and its fruit, of the plum genus of the family Rosaceae (rose family), native to temperate Asia and long cultivated in Armenia. The frui...

silverfish

(Encyclopedia)silverfish, common name for primitive, wingless insects of the family Lepismatidae. The silverfish, which has two long antennae and three long tail bristles, is named for its covering of tiny, silvery...

basil

(Encyclopedia)basil băzˈəl [key], any plant of the genus Ocimum, tender herbs or small shrubs of the family Labiatae (mint family), mostly of Old World warm regions and cultivated for the aromatic leaves. The ba...

burdock

(Encyclopedia)burdock bûrˈdäk [key], common name of any plant of the genus Arctium of the family Asteraceae (aster family), coarse biennials indigenous to temperate Eurasia and mostly weedy in North America. The...

buzzard

(Encyclopedia)buzzard, common name for hawks of the genus Buteo and for the honey buzzards of the genus Pernis, of the Old World family Accipitridae. The name buzzard is also incorrectly applied to various hawks an...

calendula

(Encyclopedia)calendula kəlĕnˈjələ [key], any species of the genus Calendula, Old World plants of the family Asteraceae (aster family). The common calendula (C. officinalis), an annual with yellow to deep oran...

pennyroyal

(Encyclopedia)pennyroyal, name for two similar plants of the family Labiatae (mint family), usually distinguished as true, or European, pennyroyal (Mentha pulegium) and American, or mock, pennyroyal (Hedeoma pulegi...