Bougainvillea
Habit | vine-climber
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Lifespan: | ⌛ | perennial |
Exposure: | ☼ | sun |
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Features: | ✓ | evergreen, flowers |
USDA Zones: | 9 to 12 | |
Flower features: | ❀ | red, orange, yellow, single, double |
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Bougainvillea (pronounced /ˌbuːɡɨnˈvɪliə/)[1] is a genus of flowering plants native to South America from Brazil west to Peru and south to southern Argentina (Chubut Province). Different authors accept between four and 18 species in the genus. The plant was discovered in Brazil in 1768, by Philibert Commerçon, French Botanist accompanying French Navy admiral and explorer Louis Antoine de Bougainville during his voyage of circumnavigation.
They are thorny, woody vines growing anywhere from 1-12 meters tall, scrambling over other plants with their hooked thorns. The thorns are tipped with a black, waxy substance. They are evergreen where rainfall occurs all year, or deciduous if there is a dry season. The leaves are alternate, simple ovate-acuminate, 4-13 cm long and 2-6 cm broad. The actual flower of the plant is small and generally white, but each cluster of three flowers is surrounded by three or six bracts with the bright colors associated with the plant, including pink, magenta, purple, red, orange, white, or yellow. Bougainvillea glabra is sometimes referred to as "paper flower" because the bracts are thin and papery. The fruit is a narrow five-lobed achene.
Bougainvillea are relatively pest-free plants, but may suffer from worms and aphids.
ExpandRead about Bougainvillea in the Standard Cyclopedia of Horticulture
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Cultivation
Although it is frost-sensitive and hardy in U.S. Hardiness Zones 9b and 10, bougainvillea can be used as a houseplant or hanging basket in cooler climates. In the landscape, it makes an excellent hot season plant, and its drought tolerance makes bougainvillea ideal for warm climates year-round. Bougainvillea has a high salt tolerance, which makes it a natural choice for color on coastal regions. As a woody clambering vine, bougainvillea will stand alone and can be pruned into a standard, but it is perfect along fence lines, on walls, in containers and hanging baskets, and as a hedge or an accent plant. Its long arching branches are thorny, and bear heart-shaped leaves and masses of papery bracts in white, pink, orange, purple, and burgundy. Many cultivars, including double flowered and variegated, is available.
The growth rate of Bougainvillea vary from slow-growing to rapid, depending on the particular variety. Bougainvillea tend to flower all year round in equatorial regions. Elsewhere, they are seasonal bloomers. They grow best in somewhat dry, fertile soil. Bloom cycles are typically four to six weeks. Bougainvillea grow best in very bright full sun and with frequent fertilization, but the plant requires little water once established. As indoor houseplants in temperate regions, they can be kept small by bonsai techniques. If overwatered, Bougainvillea will not flower and may lose leaves or wilt, or even die from root decay.
Propagation
Pests and diseases
Species
Many of today's bougainvillea are the result of interbreeding among only three out of the eighteen South American species recognized by botanists. Currently, there are over 300 varieties of bougainvillea around the world. Because many of the hybrids have been crossed over several generations, it's difficult to identify their respective origins. Natural mutations seem to occur spontaneously throughout the world; wherever large numbers of plants are being produced, bud-sports will occur. This had led to multiple names for the same cultivar (or variety) and has added to the confusion over the names of bougainvillea cultivars.
Bougainvillea buttiana
Bougainvillea glabra
Bougainvillea peruviana
Bougainvillea spectabilis
Bougainvillea spinosa
Gallery
Red Bougainvillea in Malaysia
Purple bougainvilleas in Taormina
Purple bougainvilleas in Taormina
As seen in Tel Aviv, Israel
Bougainvillea is a common sight along Interstate overpasses in San Diego, California
Purple bougainvilleas in Taormina
- 九重葛 Dscf8149-22.jpg
- 九重葛 Dscf8152-24.jpg
References
- ↑ Sunset Western Garden Book, 1995:606–607
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Bougainvillea. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Bougainvillea QR Code (Size 50, 100, 200, 500)