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thyme

(Encyclopedia)thyme tīm [key], any species of the genus Thymus, aromatic herbs or shrubby plants of the family Labiatae (mint family). The common thyme, which is used as a seasoning herb and yields a medicinal ess...

sisal hemp

(Encyclopedia)sisal hemp sīˈsəl, sĭsˈəl, sēsälˈ [key] [from Sisal, former chief port of Yucatan], important cordage fiber obtained from the leaves of the sisal hemp plant, an extensively cultivated tropica...

senna

(Encyclopedia)senna, any plant of the genus Sennia (formerly placed in Cassia), leguminous herbs, shrubs, and trees of the family Leguminosae (pulse family), most common in warm regions. Some species are cultivated...

sarsaparilla

(Encyclopedia)sarsaparilla särsˌpərĭlˈə, săsˌ– [key], common name for various plants belonging to two different classes and also for an extract from their roots, formerly much used in medicine and in beve...

rose of Jericho

(Encyclopedia)rose of Jericho, common name for two plants belonging to different families in the plant kingdom. One, an annual desert plant (Anastatica hierochuntica) of the family Cruciferae (or Brassicaceae; must...

pimento

(Encyclopedia)pimento or allspice, common names for a tree (Pimenta dioica or P. officinalis) of the family Myrtaceae (myrtle family) cultivated in the West Indies for its dried unripe berries, used medicinally and...

pineapple

(Encyclopedia)pineapple, common name for one member of and for the Bromeliaceae, a family of chiefly epiphytic herbs and small shrubs native to the American tropics and subtropics. The spiny leaves of various speci...

currant

(Encyclopedia)currant, northern shrub of the family Saxifragaceae (saxifrage family), of the same genus (Ribes) as the gooseberry bush. The tart berries of the currant may be black, white, or red; the white goosebe...

dahlia

(Encyclopedia)dahlia dälˈyə, dălˈ– [key] [for Anders Dahl, 1751–89, Swedish botanist and pupil of Linnaeus], any plant of the genus Dahlia of the family Asteraceae (aster family), tuberous-rooted perennial...

horse chestnut

(Encyclopedia)horse chestnut, common name for some members of the Hippocastanaceae, a family of trees and shrubs of the north temperate zones and of South America. The horse chestnut tree, Aesculus hippocastanum, a...