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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...

phlox

(Encyclopedia)phlox, common name for plants of the genus Phlox and for members of the Polemoniaceae, a family of herbs (and some shrubs and vines) found chiefly in the W United States. The family includes many popu...

zinnia

(Encyclopedia)zinnia, any species of the genus Zinnia of the family Asteraceae (aster family), native chiefly to Mexico, though some range as far north as Colorado and as far south as Guatemala. The common zinnia o...

watercress

(Encyclopedia)watercress, hardy perennial European herb (Nasturtium officinale) of the family Cruciferae (or Brassicaceae; mustard family), widely naturalized in North America, found in or around water. Often culti...

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...

bluegrass

(Encyclopedia)bluegrass, any species of the large and widely distributed genus Poa, chiefly range and pasture grasses of economic importance in temperate and cool regions. In general, bluegrasses are perennial with...

licorice

(Encyclopedia)licorice lĭkˈərĭs, –rĭsh [key], name for a European plant (Glycyrrhiza glabra) of the family Leguminosae (pulse family) and for the sweet substance obtained from the root. Since early times the...

lignum vitae

(Encyclopedia)lignum vitae lĭgˈnəm vīˈtē [key] [Lat.,=wood of life], tropical American evergreen tree of the genus Guaiacum. The hard, dense, and extremely durable wood, obtained chiefly from G. officinale an...

locoweed

(Encyclopedia)locoweed or crazyweed [Span. loco=crazy], any of several American species of the genera Astragalus and Oxytropus, north-temperate leguminous plants of the family Leguminosae (pulse family), that, when...

love-in-a-mist

(Encyclopedia)love-in-a-mist, hardy annual garden plant (Nigella damascena) of the family Ranunculaceae (buttercup family), having finely cut foliage and blue or white flowers surrounded by a cluster of thready bra...