cascara buckthorn

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Related to cascara buckthorn: Common chokecherry

cas·car·a buckthorn

A buckthorn (Rhamnus purshiana syn. Frangula purshiana) native to western North America, the bark of which is the source of cascara sagrada.

[Spanish cáscara, bark, from cascar, to break off, from Vulgar Latin *quassicāre, from Latin quassāre, frequentative of quatere, to shake; see kwēt- in Indo-European roots.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cascara buckthorn - shrubby tree of the Pacific coast of the United Statescascara buckthorn - shrubby tree of the Pacific coast of the United States; yields cascara sagrada
buckthorn - a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments
cascara, cascara sagrada, chittam bark, chittem bark - dried bark of the cascara buckthorn used as a laxative
References in periodicals archive ?
They found the grove where the nation's largest Cascara buckthorn had once lived leveled, nothing more than stumps.
One native American species related and the best known is Rhamnus purshiana, also called cascara sagrada or cascara buckthorn.
Three trees are missing: cascara buckthorn (Rhamnus purshiana) and bitter cherry (Prunus emarginata), and western hemlock (Tsuga heterophylla).