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four-o'clock

(Encyclopedia)four-o'clock, common name for members of the Nyctaginaceae, a family of plants found in warm climates, especially in the Americas, chiefly as herbs but often in the tropics as shrubs or trees. Species...

apricot

(Encyclopedia)apricot [Arabic from Lat.,=early ripe], tree, Prunus armeniaca, and its fruit, of the plum genus of the family Rosaceae (rose family), native to temperate Asia and long cultivated in Armenia. The frui...

meadow rue

(Encyclopedia)meadow rue, any plant of the genus Thalictrum of the family Ranunculaceae (buttercup family). Most are tall perennials (up to 7 ft/2.1 m high) bearing summer flowers with showy, pendent tassels of lon...

medlar

(Encyclopedia)medlar mĕdˈlər [key], small deciduous tree (Mespilus germanica) of the family Rosaceae (rose family), native to Europe and Asia. It has luxuriant foliage and large white or pinkish flowers; in the ...

logwood

(Encyclopedia)logwood, small, thorny tree (Haematoxylon campechianum) of the family Leguminosae (pulse family) native to tropical America and introduced into other tropical regions. The brown-red heartwood is the s...

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...

marsh marigold

(Encyclopedia)marsh marigold, perennial spring-blooming Old World and North American plant (Caltha palustris) of the family Ranunculaceae (buttercup family), found in wet places. It has rounded glossy leaves and la...

lily of the valley

(Encyclopedia)lily of the valley, common name for either of the two species of Convallaria, spring-blooming perennials of the family Liliaceae (lily family). C. majalis, the species usually in cultivation, is nativ...

lespedeza

(Encyclopedia)lespedeza lĕsˌpədēˈzə [key] or bush clover, any plant of the genus Lespedeza, leguminous herbs or undershrubs of the family Leguminosae (pulse family); native to North America, Asia, and Austral...

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...