Byrsonima crassifolia

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Local names:
English (wild craboo,wild cherry,savanna serrette,golden spoon,nance), French (quinquina des savannes), Portuguese (muruci-da-praia,murici-do-campo,mirixi,murici), Spanish (manero manteco,nananche,manteco merey,nance verde,crabo,chaparro de sabana,mantec

Byrsonima crassifolia is a slow-growing large shrub or tree to 10(-20) m tall, varying in form from round-topped and spreading, to narrow and compact; trunk short or tall, crooked or straight. Young branches densely coated with russet hairs. 

Leaves opposite, ovate to elliptic or oblong-elliptic, 3.2-17 cm long and 4-7 cm wide, rounded or pointed at the apex, blunt or pointed at the base; leathery, usually glossy on the upper surface and more or less brown- or grey-hairy on the underside.

Flowers borne in thinly or conspicuously red-hairy, erect racemes, 10-20 cm long, 1.25-2 cm wide; petals 5, yellow at first, changing to dull orange-red.

Fruit peculiarly odorous, orange-yellow, round, 8-12 cm wide, with thin skin and white, juicy, oily pulp varying in flavour from insipid to sweet, acid, or cheese-like. There is a single, fairly large stone, containing 1-3 white seeds.

Ecology

B. crassifolia is limited to tropical and subtropical climates. In central and south America, the tree ranges from sea level to 1 800 m altitude. The tree is native and abundant in the wild, sometimes in extensive stands, in open pine forests and grassy savannas, from southern Mexico, through the Pacific side of Central America, to Peru and Brazil; also occurs in Trinidad, Barbados, Curacao, St. Martin, Dominica, Guadeloupe, Puerto Rico, Haiti, the Dominican Republic and throughout Cuba and the Isle of Pines. It is highly drought-tolerant. Trees are tolerant of a wide range of environments, from the coastal Caribbean, the semi-desert regions of northeastern Brazil, the humid tropical lowlands and the middle elevations (1,000 m) of central and south America.

Native range
Argentina, Barbados, Belize, Brazil, Colombia, Cuba, Dominica, Dominican Republic, El Salvador, Guadeloupe, Guyana, Haiti, Honduras, Mexico, Peru, Puerto Rico, Surinam, Trinidad and Tobago, Venezuela

Tree management

B. crassifolia is a fire resistant tree, occurring where burning is frequently undertaken towards the end of the dry season. The tree is considered to have an intermediate to high resistance to drought. Although it is a tolerant species to infertile soils, it has shown a better performance under cultivation techniques using increased organic matter and weeding.

B. crassifolia is limited to tropical and subtropical climates. In central and south America, the tree ranges from sea level to 1 800 m altitude. The tree is native and abundant in the wild, sometimes in extensive stands, in open pine forests and grassy savannas, from southern Mexico, through the Pacific side of Central America, to Peru and Brazil; also occurs in Trinidad, Barbados, Curacao, St. Martin, Dominica, Guadeloupe, Puerto Rico, Haiti, the Dominican Republic and throughout Cuba and the Isle of Pines. It is highly drought-tolerant. Trees are tolerant of a wide range of environments, from the coastal Caribbean, the semi-desert regions of northeastern Brazil, the humid tropical lowlands and the middle elevations (1,000 m) of central and south America.

Propagation is generally by seed, but the trees are easily grafted and in some locations superior clones are commercially propagated by veneer or cleft grafting.

Poison: Fresh branches are cut into small pieces and thrown into streams to stupefy fish; or they are crushed at the edge of shallow waters so that the juice spills into the water, for the same effect.

 The fruits are eaten raw or cooked as dessert, or may be included in soup or in stuffing for meats. The fruits are often used to prepare carbonated beverages.

Apiculture: In Costa Rica, the flowers provide one of the few sources of nectar for honeybees in the month of June.

In Brazil, the wood is chosen for the hot fire over which people smoke the stimulant paste of guaranĂ¡ (Paullinia cupana) because the burning wood has a pleasant odour. In some areas it is used for making charcoal.

Fibre: The bark yields a strong fiber. 

Timber: The sapwood is greyish, the heartwood reddish-brown, heavy, coarse-textured, tough, and highly prized for boat ribs though it is brittle and only medium-durable. It is usually available only in small sizes and is used for tool handles, turnery, cabinetwork, furniture and small-scale construction. 

Tannin or dyestuff: The bark contains 17-28 % tannin and 3 % oxalic acid. It is employed in tanning, giving the leather a light-yellow tone. The fruit is high in tannin, especially when unripe and sometimes used in dyeing. The fruit skin imparts a light-brown hue to cotton cloth.

Lipids:  An edible fat is extracted from the fruits with boiling water in Magdalena, Colombia. B. crassifolia flowers produce abundant lipids instead of nectar. Several species of Centris bees collect this oil.

Medicine: The bark of B. crassifolia is used to treat skin infections and gastrointestinal disorders by the Mixe Indians of Mexico, bark infusion is taken to halt diarrhoea, as a febrifuge and to promote menstruation. It is considered beneficial in pulmonary complaints, cases of leucorrhea, indigestion, and allegedly tightens the teeth where the gums are diseased. In Belize, it is taken as an antidote for snakebite. In Guyana, the pounded bark is poulticed on wounds. Mexicans apply the pulverized bark on ulcers.

Ornamental: While in flower, the tree is quite ornamental with showy orange and yellow inflorescences.

Soil improver:  The tree improves soil under its crown through accumulation of soil organic matter and K.

Alcohol: The fruits are often used to prepare an acid, oily, fermented beverage known by the standard term chicha applied to assorted beer-like drinks made of fruits or maize. By distillation, a rum-like liquor called Crema de nance is produced in Costa R