Swietenia humilis
| Swietenia humilis | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Sapindales |
| Family: | Meliaceae |
| Genus: | Swietenia |
| Species: | S. humilis |
| Binomial name | |
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Swietenia humilis Zuccarini |
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Swietenia humilis is a species of tree in the family Meliaceae. It is one of three species in the genus Swietenia, all three of which are regarded as "genuine mahogany." At 6 metres (20 ft), it is one-fifth the height of S. mahagoni and one-sixth the height of S. macrophylla. Its species name, humilis, means "small" or "dwarfish".
Common names include Pacific Coast mahogany, caoba del Pacifico, caoba del Honduras, caobilla, cobano, gateado, sopilocuahuilt, venadillo and zapaton. In the wood trades it is known as Honduras mahogany and Mexican mahogany.
The tree has been over-exploited for its wood which is valuable for making furniture. The plant also is of interest as a possibly commercial source of seed oil and pharmacologically active compounds.
The area of natural distribution is the drier zones of the western Sierra Madre mountain range from Mexico through Guatemala, Belize, Honduras, and El Salvador. The distribution in Guatemala and Honduras bulges eastward from the Pacific Coast nearly to the Atlantic Ocean. In Honduras it also extends from the western Sierra Madre into the abutting northern Nicaraguan cordillera range. The northern half of the Pacific Coast of Costa Rica includes habitat. It is found at altitudes up to 1,200 metres (3,900 ft). Its habitat is both wet and dry deciduous forest, savanna, rough scrub, rocky hillsides and cultivated fields. The species having been over-exploited, surviving trees usually are scattered and isolated individuals. Large specimens are rare.
The multilateral treaty CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora) lists S. humilis in Appendix II (all parts and derivatives except seeds). Also it is categorized in the IUCN (International Union for Conservation of Nature) Red List of Threatened Species as Vulnerable (Version 2011.2).
The bark and seeds possess an alkaloid reputed to be very poisonous. Extracts significantly inhibited the growth and feeding of third instar larvae of Tenebrio molitor (mealworms). They also have shown effectiveness against larvae of 'Ostrinia nubilalis, the European Corn borer, and Spodoptera frugiperda, the Fall Armyworm.
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Wikipedia