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Related to quassia: Quassia amara


a. A tropical American shrub or small tree (Quassia amara) having bright scarlet flowers and yielding a fine-grained, yellowish-white wood.
b. The wood of this plant.
2. A bitter substance obtained from the wood of this plant or related plants in the family Simaroubaceae, used in medicine and formerly as an insecticide.

[New Latin, after Gramman Quassi ("Great Man" Kwasi), an 18th-century Guinean who, after being enslaved and transported to Suriname, became renowned as a healer, especially by prescribing quassia for fever, and whose success eventually allowed him to purchase his freedom.]


1. (Plants) any tree of the tropical American simaroubaceous genus Quassia, having bitter bark and wood
2. (Forestry) the bark and wood of Quassia amara and of a related tree, Picrasma excelsa, used in furniture making
3. (Pharmacology) a bitter compound extracted from this bark and wood, formerly used as a tonic and anthelmintic, now used in insecticides
[C18: from New Latin, named after Graman Quassi, a slave who discovered (1730) the medicinal value of the root]


(ˈkwɒʃ ə, -i ə)

n., pl. -sias.
1. a shrub or small tree, Quassia amara, of tropical America, having pinnate leaves, showy red flowers, and wood with a bitter taste.
2. a prepared form of the wood of any of several trees of the genus Quassia, used as an insecticide or to dispel intestinal worms.
[1755–65; < New Latin, after Quassi, 18th-century slave in Dutch Guiana who discovered its medicinal properties]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quassia - a bitter compound used as an insecticide and tonic and vermifugequassia - a bitter compound used as an insecticide and tonic and vermifuge; extracted from the wood and bark of trees of the genera Quassia and Picrasma
Jamaica quassia - similar to the extract from Quassia amara
organic compound - any compound of carbon and another element or a radical
2.quassia - handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish woodquassia - handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark
bitterwood tree - any of various trees or shrubs of the family Simaroubaceae having wood and bark with a bitter taste
genus Quassia - tropical trees and shrubs with pinnate leaves and large scarlet flowers; bark is medicinal
References in classic literature ?
I've got a capital little cup among my traps, and I'll give it to you to drink your milk in, as it is made of wood that is supposed to improve whatever is put into it something like a quassia cup.
However, the use of plants such as tobacco leaves, Sabadilla officinale and Quassia spp extracts for fumigation dates into ages.
Classic naturopathic herbals include Artemisia annua (sweet wormwood), Artemisia tridentata (sagebrush), Allium sativum (garlic), Gentiana lutea (gentian), Mahonia aquifolium (Oregon grape), Zingiber officinalis (ginger), Tanacetum vulgare (tansy), Azadirachta indica (neem), Hydrastis canadensis (goldenseal), Thuja pUcata (western red cedar), Syzygium aromaticum (clove), juglans nigra (black walnut), Dysphania ambrosioides (formerly Chenopodium ambrosioides; epazote), Ailanthus altissima (Chinese tree of heaven), Quassia amara (quassia), Picrasma excelsa (Jamaican quassia), Uncaria tomentosa (cat's claw), Tabebuia impetiginosa (pau d'arco), Citrus paradisi (grapefruit seed), Cucurbita moschata (pumpkin seed), and Carica papaya (papaya seed).
BASF developed a Quassia Amara Wood extract as a new anti-age key ingredient for Henkel s Diadermine face care products, says Thomas FE[micro]rster, Corporate Vice President R&D Beauty Care.
Picrasma excelsa (bark)--Also referred to as Quassia, is considered a powerful simple bitter, hence its use as a digestive aide.
Toxicidade pre-clinica de fitoterapico contendo Aloe ferox, Quassia amara, Cynara scolymus, Gentiana lutea, Peumus boldus, Rhamnus purshiana, Solanum paniculatum e Valeriana officinalis.
Quassin isolated from Quassia amara enhanced the host protective immune response by enhancing generation of NO and expression of iNOS both at a protein and at mRNA levels and by upregulating proinflammatory cytokines, TNF-[alpha] and IL-12 (Bhattacharjee et al.