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.
So far the company has sent these types: 1972, commercial card of unknown wood type; 1973, Douglas fir; 1974, Sitka spruce; 1975, hemlock; 1976, Western red cedar; 1977, red alder; 1978, big leaf maple; 1979, bitter cherry; 1980 Port Orford Western red cedar; 1981, lodge pole pine; 1982, golden chinquapin; 1983, Pacific yew; 1984, Oregon ash; 1985, myrtlewood; 1986, cascara buckthorn; 1987, willow; 1988, tan oak; 1989, Oregon white oak; 1990, Pacific dogwood; 1991, Pacific madrone; 1992, black cottonwood; 1993, ponderosa pine; 1994, grand fir; 1995, California black oak; 1996, Western juniper; 1997, Pacific silver fir; 1998, redwood; 1999, vine maple; 2000, rhododendron; 2001, Pacific bayberry; 2002, KMX pine; 2003, American chestnut; 2004, incense-cedar; 2005, black walnut.
Rather, it is a relative of the highly prized cascara buckthorn (Rhamnus purshiana).