Guadua

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Guadua
Guadua.jpg
Guadua angustifolia
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Bambusoideae
Tribe: Bambuseae
Subtribe: Guaduinae
Genus: Guadua
Kunth
Type species
Guadua angustifolia [1] [2]
Synonyms [3]

BambusaMutis ex Caldas 1809, illegitimate homonym not Schreb. 1789

Contents

Guadua is a Neotropical genus of thorny, clumping bamboo in the grass family, ranging from moderate to very large species. [4] [2] [5]

Physically, Guadua angustifolia is noted for being the largest Neotropical bamboo. The genus is similar to Bambusa and is sometimes included in that genus. Several animals are, to a various extent, associated with stands of Guadua bamboo, for example several species of seedeaters, and the Amazon and Atlantic Bamboo Rats. [6]

Distribution and habitats

The genus can be found in a wide range from northern Mexico and Trinidad to Uruguay, but most of the species are concentrated in the Amazon basin and the Orinoco basin. They usually grow at low altitudes (below 1,500 m), but has been found up to 2,500 m. Its habitats include lowland tropical and lower-montane forest, savannas, Cerrados, gallery forest, and disturbed inter-Andean valley vegetation.

Human use

From a utilitarian perspective, Guadua is the most important American bamboo. Due to its quality, the genus has been widely used for house construction along the inter-Andean rivers of Colombia and in coastal Ecuador.

Guadua angustifolia, endemic to Tropical America, is slowly becoming well known once again as a building material. Highly appreciated by Simon Bolivar for its watershed protection and praised by Alexander von Humboldt for its wide variety of uses[ citation needed ], it is being used in construction today in South America.

Technical studies of bamboo's mechanical properties ("vegetable steel") have increased interest in its use. Although bamboo culms used for building can be harvested in natural forests, over-exploitation leads to the depletion of natural resources. For large-scale use of Guadua angustifolia, the management of sustainable bamboo forests and groves, as well as the establishment of new nurseries and plantations, is a priority.

Tropical bamboo can be propagated with cuttings or by covering complete culms with soil. The next year, new plants will sprout. Or, many Guadua species can be propagated more rapidly by the chusquin method. Under this method, culms are cut at ground level when harvesting causing many small shoots and new plants to grow around the original plant. This method is suitable for large-scale forests or farm cooperatives. Since bamboo is a grass, harvesting it down to the soil induces more new shoots to emerge, just like turf grass. This is a phenomenon not known in tropical hardwood forests [ citation needed ].

Even more rapid methods have been recently[ when? ] developed through the use of tissue culture. Bamboo propagated in a laboratory in the space of one square meter will be sufficient to establish one hectare of new forest. These plants can also be readily transported in a one-half-cubic-meter box. Harvesting can begin six years after planting, making bamboo a potential source of tropical biomass production for industry (e.g., biofuels). For architectural purposes, Guaduaangustifolia is the preferred bamboo species. Its diameter is constant for the first 15 meters and then tapers at the top. These features have attracted the attention of civil engineers, architects, academics, designers, and artists.

Environmentally, Guadua angustifolia is effective at removing carbon dioxide from the atmosphere due to its fast growth[ citation needed ]; ongoing studies in Colombia have now been coordinated by the Environmental Bamboo Foundation.

German Fire Authorities tested Guadua angustifolia and, guided by the European Building Code, approved bamboo as a building material for the Guadua Pavilion at Expo 2000 in Hanover. Bamboo construction is also reported to be earthquake-resistant. This concept has been studied in Ecuador by the International Bamboo and Rattan Organization and the Ecuadorian government. [7] Costa Rica reported similar experiences in earlier earthquakes there. [8]

Species

Accepted species [9] [10] [11]
  1. Guadua amplexifolia – from San Luis Potosí to Venezuela
  2. Guadua angustifolia – from Puebla to Argentina
  3. Guadua calderoniana – Bahia
  4. Guadua chacoensis – Argentina, Bolivia, Paraguay, Uruguay, southern Brazil
  5. Guadua chaparensis – Cochabamba in Bolivia
  6. Guadua glomerata – Venezuela, Brazil, Bolivia, Peru, Ecuador, Guyana, Fr Guiana
  7. Guadua incana – Caquetá in Colombia
  8. Guadua latifolia – Brazil, Venezuela, Guyana, Suriname, Fr Guiana, Trinidad and Tobago
  9. Guadua longifolia – from Sonora to Honduras
  10. Guadua macclurei – Central America
  11. Guadua macrospiculata – Amazonas in Colombia, Amazonas in Brazil, Loreto in Peru
  12. Guadua macrostachya – Peru, Brazil, Guyana, Fr Guiana
  13. Guadua maculosa – Goiás
  14. Guadua magna – Goiás
  15. Guadua paniculata – from Mexico to Paraguay
  16. Guadua paraguayana – Paraguay, Argentina, Bolivia, Brazil, Venezuela
  17. Guadua refracta – from Nicaragua to Bolivia
  18. Guadua sarcocarpa – Peru, Bolivia, Brazil
  19. Guadua superba – Peru, Bolivia, Brazil, Ecuador, Colombia, Guyana, Suriname, Fr Guiana
  20. Guadua tagoara – Brazil, Misiones, Fr Guiana
  21. Guadua trinii – Argentina, Bolivia, Paraguay, Uruguay, southern Brazil
  22. Guadua uncinata – Ecuador, Colombia
  23. Guadua velutina – Mexico
  24. Guadua venezuelae – Venezuela
  25. Guadua virgata – Goiás
  26. Guadua weberbaueri – from Venezuela to Bolivia
Formerly included [9]

see Arthrostylidium Aulonemia Bambusa Chusquea Eremocaulon Sphaerobambos

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  2. Rhipidocladum ampliflorum - Venezuela
  3. Rhipidocladum angustiflorum - Colombia, Venezuela
  4. Rhipidocladum bartlettii - Mexico, Belize, Guatemala, Honduras
  5. Rhipidocladum clarkiae - Costa Rica
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  7. Rhipidocladum martinezii - Mexico (Chiapas)
  8. Rhipidocladum maxonii - Costa Rica, Guyana
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  10. Rhipidocladum pacuarense - Nicaragua, Costa Rica
  11. Rhipidocladum panamense - Panamá
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  14. Rhipidocladum prestoei - Trinidad
  15. Rhipidocladum racemiflorum - Mexico from Tucumán to Tamaulipas
  16. Rhipidocladum sibilans - Venezuela, Guyana
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  2. Parodiolyra colombiensisDavidse & Zuloaga - Colombia (Caquetá)
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  5. Parodiolyra micrantha(Kunth) Davidse & Zuloaga - Brazil, Colombia, Venezuela, Guyana, Suriname, French Guiana, Peru, Bolivia, Argentina, Paraguay
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Ximena Londoño de la Pava is a Colombian botanist, specializing in agrostology. She has done extensive research on the bamboo genus Guadua in South America and Central America.

References

  1. ↑ lectotype designated by McClure, Taxon 6(7): 203 (1957)
  2. 1 2 Tropicos, Guadua Kunth
  3. ↑ The International Plant Names Index
  4. ↑ Kunth, Karl Sigismund . 1822. Journal de Physique, de Chimie, d'Histoire Naturelle et des Arts 95: 150–151 in Latin
  5. ↑ Londoño, X. 2000. Guadua. In E. J. Judziewicz, R. J. Soreng, G. Davidse, P. M. Peterson, T. S. Filgueiras & F. O. Zuloaga (eds.) Catalogue of New World Grasses (Poaceae): I. Subfamilies Anomochlooideae, Bambusoideae, Ehrhartoideae, and Pharoideae, Contributions from the United States National Herbarium 39: 58–62. Smithsonian Institution, Washington
  6. ↑ Filgueiras, T. S. & A. P. Santos-Gonçalves. 2004. A checklist of the basal grasses and bamboos in Brazil (Poaceae). Journal of the American Bamboo Society 18(1): 7–18.
  7. ↑ INBAR (2016). "Post-earthquake Report on Bamboo Structures and Recommendations for Reconstruction with Bamboo on the Ecuadorian Coast". International Bamboo and Rattan Organization.
  8. ↑ Nakasone, Sara. "Bamboo: An Alternative Movement". Illumin: A Review of Engineering in Everyday Life. University of Southern California. Archived from the original on 13 December 2013. Retrieved 10 December 2013.
  9. 1 2 Kew World Checklist of Selected Plant Families
  10. ↑ Londoño, Ximena, & Filgueiras, Tarciso S. 2006. Anais do Seminário Nacional de Bambu: estruturacao da rede de pesquisa e desenvolvimento 27–32
  11. ↑ Morales, J. F. 2003. Poaceae. 93(3): 598–821. In B. E. Hammel, M. H. Grayum, C. Herrera & N. Zamora Villalobos (eds.) Manual de Plantas de Costa Rica. Missouri Botanical Garden, St. Louis.
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