Quassia amara L.

Quassia wood (en)

Species

Angiosperms > Sapindales > Simaroubaceae > Quassia

Characteristics

Slender shrubs or small trees, 2-8 m high, the bark exfoliating in small flakes; branchlets reddish, angled. Leaves odd-pinnate, 21-31 cm long and 9-24 cm wide; petiole and rachis oblanceolate-winged, the wing to 15 mm wide apically, rarely also slightly auriculate; leaflets (3-)5(-7), opposite, obovate to oblanceolate, abruptly acuminate apically, cuneate basally, chartaceous, sessile, 4-22.5 cm long and 16-75 mm wide, the terminal usually largest. Racemes axillary or sometimes terminal or rarely cauliflorous, rarely paniculate basally, the branches red, minutely puberulent, 6.5-28 cm long. Flowers showy, the buds conical, the pedicels red, minutely puberulent, articulate below the apex, 5-30 mm long, subtended by a pubescent lanceolate bract ca. 2 mm long; sepals 5, pink to red, triangular, ciliate, ca. 1.5 mm long and wide; petals 5, pink to bright red, white within, lanceolate, pubescent basally within, 3-4 cm long and 5-6 mm wide, not spreading at anthesis; stamens 10, exserted, 3.5-4 cm long, the filaments filiform, appendaged basally, the appendages pubescent, coherent; intrastaminal disc conspicuous, 10-lobed, enlarging and becoming red in fruit; carpels 5, ovoid, free below, but con-nate above to form the style, the style as long as or longer than the stamens, to 5 cm long, deciduous, the stigma simple or slightly lobed. Drupes 1-S per flower, oblong, stalked, with a medial ridge, veined, glabrous, green to reddish, becoming dark red at maturity, ca. 15 mm long and 8 mm wide, forming a star-shaped cluster spreading from the broad red disc.
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Very bitter, erect shrub, 2-3 m high. Leaves with broadly winged rachis; rachis + petiole c. 5-16 cm; leaflets usually 5, apical ones reduced to 3-1; flush purple; almost sessile, obovate-oblong. Racemes 10-25 cm long, often branched. Pedicels 8-14 mm, accrescent. Bracts spathulate, the lower most sometimes foliaceous, 3-14 mm long. Calyx patent, bright red, 7-8 mm. Petals bright red outside, whitish inside, 27-32 by 5-6 mm. Stamens longer than the petals, slightly unequal, 3.5-4 cm. Drupes 1-5, purple-black, 12-13 mm long.
A shrub or small tree. It grows 6 m high. The leaves are compound and alternate. They have leaflets along the stalk. There are 5 leaflets each 5-15 cm long. The flowering groups hang down. They have pink stems and are in groups 25 cm long. The flowers are 3-4 cm long and tube shaped. The petals are pink outside and white inside. The stamens stick out the end. There are up to five fruit in a group. They are black and have one seed. They are 1.5 cm long and on a red, enlarged stalk.
Has been cultivated in Tanzania (Lushoto District: Amani, plantation Sigi Juu 9, Dec. 1940, Greenway 6082!).. It has a winged rachis and large red flowers.
A native species of tropical America is cultivated in our area.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. In Costa Rica it grows in moist sites along the Caribbean coast and up to about 700 m altitude.
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An understorey plant in rainforests and humid sites.
Light 4-9
Soil humidity 4-6
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

Uses. The Quassi-wood is used as a tonic in case of stomach diseases and as an insecticide to destroy for instance plant lice. The active constituent of the wood consists of a number of bitter substances ( HEYNE Nutt. Pl. 1927 870 ).
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The bark is used as a substitute for hops in beer making. An extract is used for flavouring soft drinks, bitter tonics, baked goods and candy. Caution: Because of the alkaloids it contains it should not be eaten in large amounts.
Uses environmental use food material medicinal poison wood
Edible barks
Therapeutic use Insecticides (bark), Insecticides (leaf), Bite(Snake) (unspecified), Carcinoma (unspecified), Digestive (unspecified), Diuretic (unspecified), Dysentery (unspecified), Dyspepsia (unspecified), Fever (unspecified), Hyperglycemia (unspecified), Insecticide (unspecified), Laxative (unspecified), Liver (unspecified), Malaria (unspecified), Stimulant (unspecified), Stomachic (unspecified), Tonic (unspecified), Vermifuge (unspecified), Vermicide (unspecified), Astringent (unspecified), Cancer (unspecified), Diarrhea (unspecified), Medicine (unspecified), Antineoplastic agents (wood), Insecticides (wood), Ulcer (wood)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed. They can also be grown by grafting and cuttings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Quassia amara leaf picture by Chema xD (cc-by-sa)
Quassia amara leaf picture by Anghelo Herrera Calvo (cc-by-sa)
Quassia amara leaf picture by Anghelo Herrera Calvo (cc-by-sa)

Flower

Quassia amara flower picture by Frédéric Dupont (cc-by-sa)
Quassia amara flower picture by Anghelo Herrera Calvo (cc-by-sa)
Quassia amara flower picture by Zumbado Manuel (cc-by-sa)

Distribution

Quassia amara world distribution map, present in Belize, Brazil, Brunei Darussalam, Congo, Colombia, Costa Rica, Cuba, Micronesia (Federated States of), Guinea, Guadeloupe, French Guiana, Guyana, Honduras, India, Jamaica, Mexico, Myanmar, Martinique, Malaysia, Nicaragua, Panama, Philippines, Palau, Puerto Rico, Suriname, Seychelles, Trinidad and Tobago, Taiwan, Province of China, United States of America, Venezuela (Bolivarian Republic of), Viet Nam, and South Africa

Conservation status

Quassia amara threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:814006-1
WFO ID wfo-0000733354
COL ID 4R29M
BDTFX ID -
INPN ID 447615
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quassia amara Quassia amara f. paniculata Quassia amara var. paniculata