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winter cress

(Encyclopedia)winter cress or upland cress, species of Barbarea, herbs of the family Cruciferae (or Brassicaceae; mustard family). The pungent leaves of several species have been used for salads or garnishes, and t...

teasel

(Encyclopedia)teasel, common name for some members of the Dipsacaceae, a family of chiefly Old World herbs found mostly in the Mediterranean and Balkan areas but ranging to India and to S Africa. Species of Dipsacu...

lawn

(Encyclopedia)lawn, grass turf or greensward cultivated in private yard or public park. A good lawn, or green, has both beauty and usefulness; its maintenance for golf, tennis, baseball, and other sports is a costl...

sparrow

(Encyclopedia)sparrow, common name of various small brown-and-gray perching birds. New World birds called sparrows are members of the finch family. They were named for their resemblance to the English sparrow and t...

loosestrife

(Encyclopedia)loosestrife, common name for the Lythraceae, a widely distributed family of plants most abundant as woody shrubs in the American tropics but including also herbaceous species (chiefly of temperate zon...

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...

boneset

(Encyclopedia)boneset thûrˈəwûrtˌ, –wôrtˌ [key], perennial North American herb (Eupatorium perfoliatum) of the family Asteraceae (aster family), having terminal clusters of small, chiefly white blossoms. N...

mimosa, in botany

(Encyclopedia)mimosa mĭmōˈsə [key], any tree, shrub, or herb of the genus Mimosa of the family Leguminosae (pulse family), chiefly tropical plants. They usually have feathery foliage and rounded clusters of fra...

salsify

(Encyclopedia)salsify, common name for a tall, narrow-leaved biennial (Tragopogon porrifolius) of the family Asteraceae (aster family), native to S Europe but now naturalized and sometimes growing as a weed in Nort...

phenol

(Encyclopedia)phenol fēˈnōl [key], C6H5OH, a colorless, crystalline solid that melts at about 41℃, boils at 182℃, and is soluble in ethanol and ether and somewhat soluble in water. An aromatic alcohol, it ex...

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