Bursera simaruba
| Bursera simaruba | ||||||||||||||
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Not evaluated (IUCN)
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| Bursera simaruba (L.) Sarg. |
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Bursera gummifera |
Bursera simaruba (Gumbo-limbo) is a tree species in the family Burseraceae, native to tropical regions of the Americas from the southeasternmost United States (southern Florida) south through Mexico and the Caribbean to Brazil and Venezuela.
Description
It is a small to medium-sized tree growing to 30 m tall, with a diameter of 1 meter or less at 1.5 meters above ground[1]. The bark is shiny dark red, the leaves are spirally arranged and pinnate with 7-11 leaflets, each leaflet broad ovate, 4-10 cm long and 2-5 cm broad.
The Gumbo-limbo is often referred to as the Tourist Tree. The reason for this is the fact that the tree's bark is red and peeling, like the skin of sunburnt tourists which are a common sight in the plant's range.[2]
Some ripe fruits are present year-round, but the main fruiting season is March and April in the northern part of the plant's range. The fruits are a small three-valved capsule encasing a single seed which is covered in a red fatty aril (seedcoat) of 5-6 mm diameter. Both ripe and unripe fruits are borne quite loosely on their stems and can spontaneously detach if the tree is shaken. Ripe capsules dehisce or are cracked open by birds. Birds also seek out the fruit to feed on the aril, which though small is rich in lipids (about half its dry weight).[1][3]
Uses
Gumbo-limbo is a very useful plant economically and ecologically. It has well adapted to several kinds of habitats, which include salty and calcareous soils; it does not tolerate soggy soils though. Due to this and its rapid growth, B. simaruba is planted for various purposes, notably in coastal areas. In addition, Gumbo-limbo is also considered one of the most wind-tolerant trees, and it is recommended as a rugged, hurricane-resistant species in south Florida. Plantings may be due to wind protection of crops and roads, or as living fence posts, and if simply stuck into good soil, small branches will readily root and grow into sizeable trees in a few years. In addition, Gumbo-limbo wood is suitable for light construction[4] and as firewood, and the tree's resin, called chibou, cachibou or gomartis[2], is used as glue, varnish and incense.[1][3]
The arils are an omportant source for birds, including many winter migrants from North America. Local residents such as the Masked Tityra, Bright-rumped Attila and Black-faced Grosbeak seem particularly fond of Gumbo-limbo fruit, as are migrants like the Baltimore Oriole or the Dusky-capped Flycatcher. Especially for vireos such the Red-eyed Vireo, it appears to be a very important food at least locally and when ripe fruit are abundant. Especially notable is the fact that many migrant species will utilize Gumbo-limbo trees that are in human-modified habitat, even in settlements. This creates the opportunity to attract such species to residential areas for bird watching, and to reduce the competition for Gumbo-limbo seeds in undisturbed habitat rarer local resident birds might face. In addition, Gumbo-limbo's rapid growth, ease and low cost of propagation, and ecological versatility make it highly recommended as a "starter" tree in reforestation, even of degraded habitat, and it is certainly does much better overall in such a role than most exotic species.[1]
The resin is also used as a treatment for gout, while the leaves are brewed into a medicinal
tea[3].
Hexane extracts of the leaves have been shown to possess anti-inflammatory properties in animal tests[citation needed]. Gumbo-limbo bark is also considered an antidote[citation needed] to Metopium toxiferum which often grows in the same habitat and can cause extreme rashes just as the
related
Gumbo Limbo Environmental Complex, Boca Raton
The Gumbo Limbo Environmental Complex comprises twenty acres of Boca Raton's Red Reef park which have been reserved as a nature center and for the preservation of a natural plant environment known as a tropical hammock. On display are coastal relics from Pre-Columbian Indians, a cannon and anchors from shipwrecked sailing vessels, outdoor aquariums, indoor and outdoor classrooms and interpretive displays. A butterfly garden and a 40-foot high observation tower provide tranquil views and panoramic vistas. An elevated boardwalk courses through the hammock and mangroves offering unique opportunities for environmental education.
Footnotes
- ^ a b c d e Foster (2007)
- ^ a b Christman (2004)
- ^ a b c University of Florida: Florida Forest Trees: Gumbo-limbo (Bursera simaruba). Retrieved 2007-SEP-16.
- ^ It is rather brittle, though the trunk is used in Haiti to make drums (Christman 2004).
References
- Christman, Steve (2004): Bursera simaruba on Floridata. Version of 2004-MAY-16. Retrieved 2007-SEP-16.
- Foster, Mercedes S. (2007): The potential of fruiting trees to enhance converted habitats for migrating birds in southern Mexico. Bird Conservation International 17(1): 45-61. doi:10.1017/S0959270906000554 PDF fulltext
External links
- Germplasm Resources Information Network: Bursera simaruba. Retrieved 2007-SEP-16.
- Gumbo Limbo Environmental Complex. Retrieved 2007-SEP-16.
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