Columbia Encyclopedia

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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...

groundsel

(Encyclopedia)groundsel groundˈsəl [key], any plant of the very large genus Senecio, widely distributed herbs and (in the tropics) shrubs or trees of the family Asteraceae (aster family). Many grow as vines. Most...

guayule

(Encyclopedia)guayule wīyo͞oˈlē, gwä– [key], multibranched flowering evergreen shrub, Parthenium argentatum, native to the deserts of the SW United States and N Mexico. Growing to 3 ft (1 m) in height, the g...

jewelweed

(Encyclopedia)jewelweed, common name for the Balsaminaceae, a family of widely distributed annual and perennial herbs. The principal genus is Impatiens, so named because of the sudden bursting of the mature seed ca...

millet

(Encyclopedia)millet, common name for several species of grasses cultivated mainly for cereals in the Eastern Hemisphere and for forage and hay in North America. The principal varieties are the foxtail, pearl, and ...

mistletoe

(Encyclopedia)mistletoe, common name for the Loranthaceae, a family of chiefly tropical hemiparasitic herbs and shrubs with leathery evergreen leaves and waxy white berries. They have green leaves, but they manufac...

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...

palmetto palm

(Encyclopedia)palmetto palm or palmetto pălmĕtˈō [key] [Span.,=little palm], common name for palm trees of the genera Sabal and Serenoa, ranging from the sandy pinelands of the S United States to Colombia. Saba...

Manila hemp

(Encyclopedia)Manila hemp, the most important of the cordage fibers. It is obtained chiefly from the Manila hemp plant (Musa textilis) of the family Musaceae (banana family). It is grown mainly in its native Philip...

lentil

(Encyclopedia)lentil, leguminous Old World annual plant (Lens culinaris) with whitish or pale blue flowers. Its pods contain two greenish-brown or dark-colored seeds, also called lentils, which when fully ripe are ...