Ochroma concolor Rowlee March 2013. The large flowers open in the late afternoon and remain open overnight. The large leaves, generally concentrated at the ends of branches, are pointed at the tips and heart-shaped at the base. Balsa has pale bark and, like many tropical trees, has no annual growth rings. Black Friday Sale! sunset surfer - balsa tree stock illustrations. (See Sidebar: “Flying” Trees.) The wood has long been used in many commercial applications, such as model-building, packing, and insulation, and also in flotation devices (balsa is Spanish for “raft” or “float”). If you can take a photo of the upper side and lower side of the leaf, download it to your computer and compare it with other leaves in this guide when you get home. Balsa construction in a Paul K. Guillow, Inc. "stick and tissue" free-flight rubber scale model airplane. Balsa on Bota Hill, Limbe Botanical Garden, Cameroon, Painting by Frances W. Horne from the Flora Borinqueña, Ochroma pyramidale at Tropical Gardens of Maui Iao Valley Rd, Maui, Two balsa rafts and a kayak at Lagos de Montebello in Chiapas, Mexico. Guild of Master Craftsman Publications Ltd. 2004, http://www.oed.com/view/Entry/15041?redirectedFrom=Balsa&, "Strength and related properties of Balsa and Quipo woods", International Federation of Building and Wood Workers, https://en.wikipedia.org/w/index.php?title=Ochroma&oldid=989083005, Taxonbars using multiple manual Wikidata items, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 16 November 2020, at 23:22. Instead, balsa grows quickly as a colonizer of gaps in the forest, giving its seeds access to wind while the gap in the trees is still open.…, …fast-growing pioneer species such as balsa or cecropia. 9 May 2013 <, Terry Porter: "Wood Identification and Use", page 160. Ochroma is a genus of flowering plants in the mallow family, Malvaceae, containing the sole species Ochroma pyramidale, commonly known as the balsa tree. Ochroma lagopus Sw. In recent years, about 60% of the balsa has been plantation-grown in densely packed patches of around 1000 trees per hectare (compared to about two to three per hectare in nature). A member of the mallow family, O. pyramidale is native from southern Mexico to southern Brazil, but can now be found in many other countries (Papua New Guinea, Indonesia, Thailand, Solomon Islands). Balsa has pale bark and, like many tropical trees, has no annual growth rings. The speed of growth accounts for the lightness of the wood, which has a lower density than cork. Most Conifers are Evergreens and have leaves all the year. Let us know if you have suggestions to improve this article (requires login). It is evergreen or dry-season deciduous, with large 30- to 40-cm, weakly palmately lobed leaves. Browse 19 balsa tree stock illustrations and vector graphics available royalty-free, or search for balsam fir or balsa wood to find more great stock images and vector art. Ecuador supplies 95% or more of commercial balsa. For other uses, see, "balsa, n.". However, the Kon Tiki logs were not seasoned and owed much of their (rather slight) buoyancy to the fact that their sap was of lower density than seawater. The trees are harvested after six to 10 year… Ecuador is probably the largest exporter of timber, although many local farmers consider the plant a little more than grass. Balsa tree's are a plant found in Haverheth, They have many useful ingredients for potions. Balsa is also used in the manufacture of "breakaway" wooden props such as tables and chairs that are designed to be broken as part of theatre, movie, and television productions. They also tend to produce leaves with high photosynthetic capacities that flush green but suffer high…. However, most pollination occurs at night. Updates? Being a deciduous angiosperm, balsa is classified as a hardwooddespite the wood itself being very soft. Balsa trees are native to the Americas. However, it also is valued as a component of full-sized light wooden aeroplanes, most notably the World War II de Havilland Mosquito.. The fifth and sixth generations of the Chevrolet Corvette had floor pans composed of balsa sandwiched between sheets of carbon fiber reinforced plastic. Cover the bottom of your drip tray with a single layer of small gravel. The name balsa comes from the Spanish word for "raft". Calyx 5-lobed with ovate or rounded lobes, 5-7 cm long, silky-pubescent … It also makes the wood of the living tree not much lighter than water and barely able to float. OED Online. The name balsa comes from the Spanish word for "raft". It is the softest commercial hardwood. Corrections? Articles from Britannica Encyclopedias for elementary and high school students. Oxford University Press. These trees are characterized by rapid growth in high light, high mortality (especially in shaded environments), low wood densities, and relatively rapid attainment of reproductive status. Most Broadleaf trees have leaves from spring to autumn. , Balsa lumber is very soft and light, with a coarse, open grain. The seed fibre is used as stuffing for mattresses and cushions. As well as uses from their wood. Balsa is used to make wooden crankbaits for fishing, especially Rapala lures. Bombax pyramidale Cav. This article was most recently revised and updated by, https://www.britannica.com/plant/balsa-tree, balsa - Student Encyclopedia (Ages 11 and up). Balsa trees flower at three to four years of age, and the solitary white flowers are usually bat-pollinated. It is evergreen or dry-season deciduous, with large 30- to 40-cm, weakly palmately lobed leaves. , Because it is low in density but high in strength, balsa is a very popular material for light, stiff structures in model bridge tests, model buildings, and construction of model aircraft; all grades are usable for airworthy control line and radio-controlled aircraft varieties of the aeromodeling sports, with the lightest "contest grades" especially valuable for free-flight model aircraft. seamless surf pattern - balsa tree stock illustrations . It is a large, fast-growing tree that can grow up to 30 m tall. Balsa can be found from southern Mexico to Bolivia and is a common plant throughout much of its range. It is the softest commercial hardwood.
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