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Sigillaria
(Encyclopedia)Sigillaria sĭjĭlârˈēə [key], genus of fossil club moss allied to Lepidodendron, abundant in the Carboniferous period. The thick trunk was rarely branched and was covered for several feet from th...parsley
(Encyclopedia)parsley, Mediterranean aromatic herb (Petroselinum crispum or Apium petroselinum) of the carrot family, cultivated since the days of the Romans for its foliage, used in cookery as a seasoning and garn...Kornberg, Roger David
(Encyclopedia)Kornberg, Roger David, 1947–, American biochemist, b. St. Louis, Mo., Ph.D. Stanford, 1972; son of Arthur Kornberg. Kornberg held academic posts at Cambridge (1972–76) and Harvard (1976–78) befo...breadroot
(Encyclopedia)breadroot or Indian breadroot, perennial plant (Psoralea esculenta) of the family Leguminosae (pulse family), indigenous to the American prairies and valued by Native Americans for the starchy tuberou...thallophyte
(Encyclopedia)thallophyte, common name for members of the Thallophyta (or Thallobionta), a taxonomic group in some archaic classification systems that comprised algae, fungi, and lichens. The thallophytes were cons...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...Queen Anne's lace
(Encyclopedia)Queen Anne's lace or wild carrot, herb (Daucus carota) of the family Umbelliferae (carrot family), native to the Old World but naturalized and often weedy throughout North America. Similar in appearan...beach grass
(Encyclopedia)beach grass or marram grass mârˈəm [key], any species of the genus Ammophila, perennial grasses used to control the shifting of sand dunes, thereby protecting sandy coastal areas. The European beac...alizarin
(Encyclopedia)alizarin əlĭzˈərĭn [key], or 1,2-dihydroxyanthraquinone, mordant vegetable dye obtained originally from the root of the madder plant (Rubia tinctorum), in which it occurs as a glucoside. The term...arrowhead
(Encyclopedia) CE5 Broad-leaved arrowhead, Sagittaria latifolia arrowhead, any plant of the genus Sagittaria, widely distributed marsh or aquatic herbs of the primitive family Alismataceae (water-plantain family...Browse by Subject
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