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tarragon

(Encyclopedia)tarragon târˈəgŏn [key], perennial aromatic Old World herb (Artemisia dracunculus) of the family Asteraceae (aster family), of the same genus as wormwood and sagebrush. It has long been cultivated...

teff

(Encyclopedia)teff, annual plant, Eragrostis tef, of the grass family (Poaceoe), whose seeds are a staple grain in Ethiopia and Eritrea. It is a gluten-free cereal grain, high in iron, protein, calcium, vitamin C, ...

white snakeroot

(Encyclopedia)white snakeroot, North American woods perennial (Eupatorium urticifolium) of the family Asteraceae (aster family), having a flat-topped cluster of small white flowers. It is of the same genus as the b...

wallflower

(Encyclopedia)wallflower, Mediterranean perennial (Cheiranthus cheiri) of the family Cruciferae (or Brassicaceae; mustard family), particularly popular in Europe, where it flourishes on old walls. An old-fashioned ...

watermelon

(Encyclopedia)watermelon, plant (Citrullus vulgaris) of the family Curcurbitaceae (gourd family) native to Africa and introduced to America by Africans transported as slaves. Watermelons are now extensively cultiva...

safflower

(Encyclopedia)safflower, Eurasian thistlelike herb (Carthamus tinctorius) of the family Asteraceae (aster family). Safflower, or false saffron, has long been cultivated in S Asia and Egypt for food and medicine and...

bluebell

(Encyclopedia)bluebell, common name for several plants belonging to completely different classes, particularly the bellflower and the Virginia cowslip, or Virginia bluebell, of the family Boraginaceae (borage famil...

pyracantha

(Encyclopedia)pyracantha pĭrˌəkănˈthə [key] or firethorn, any hardwood evergreen shrub of the genus Pyracantha of the family Rosaceae (rose family). Native from S Europe to W China, pyracanthas are now cultiv...

quassia

(Encyclopedia)quassia kwŏshˈə [key], name for several tropical trees and for a bitter extract from their bark. The extract containing complex terpenoid compounds called quassinoids is used medicinally as a bitte...

blackthorn

(Encyclopedia)blackthorn or sloe, low, spreading, thorny bush or small tree (Prunus spinosa) of the plum genus of the family Rosaceae (rose family), having black bark, white flowers, and deep blue fruits, usually r...