 Photo# 15106 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15107 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15108 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15109 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15110 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15111 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15112 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15113 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15114 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15115 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15116 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15117 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15118 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15119 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15120 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15121 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15122 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15123 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15124 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15125 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15126 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 15323 Specimen# R0 Costus curvibracteatus - Carla Black Garden
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 Photo# 15324 Specimen# R0 Costus curvibracteatus - Carla Black Garden
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 Photo# 15325 Specimen# R0 Costus curvibracteatus - Carla Black Garden
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 Photo# 15326 Specimen# R0 Costus curvibracteatus - Carla Black Garden
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 Photo# 15327 Specimen# R0 Costus curvibracteatus ligule - Parque Nacional Tapanti, Costa Rica
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 Photo# 15328 Specimen# R0 Costus curvibracteatus bracts - Parque Nacional Tapanti, Costa Rica
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 Photo# 15329 Specimen# R0 Costus curvibracteatus bracteole and calyx- Parque Nacional Tapanti, Costa Rica
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 Photo# 15330 Specimen# R0 Costus curvibracteatus - Parque Nacional Tapanti, Costa Rica
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 Photo# 15331 Specimen# R0 Costus curvibracteatus small flower- Parque Nacional Tapanti, Costa Rica
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 Photo# 15332 Specimen# R0 Costus curvibracteatus stamen - Parque Nacional Tapanti, Costa Rica
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 Photo# 15333 Specimen# R0 Costus curvibracteatus flower parts - Parque Nacional Tapanti, Costa Rica
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 Photo# 15334 Specimen# R2973 Costus curvibracteatus From Costa Rica, Caratgo
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 Photo# 15335 Specimen# R2973 Costus curvibracteatus From Costa Rica, Caratgo
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 Photo# 15336 Specimen# R2973 Costus curvibracteatus From Costa Rica, Caratgo
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 Photo# 15337 Specimen# R3134 Costus curvibracteatus From Panama, Coclé
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 Photo# 15338 Specimen# R3142 Costus curvibracteatus From Panama, Bocas del Toro
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 Photo# 15339 Specimen# R3142 Costus curvibracteatus From Panama, Bocas del Toro
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 Photo# 15340 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15341 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15342 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15343 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15344 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15345 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15346 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15347 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15348 Specimen# R3184 Costus curvibracteatus From cultivated,
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 Photo# 15349 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15350 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15351 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15352 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15353 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15354 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15355 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15356 Specimen# R3243 Costus curvibracteatus From Panama, Coclé
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 Photo# 15357 Specimen# R0 Costus curvibracteatus ligule, Santa Fe, Panama
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 Photo# 15358 Specimen# R0 Costus curvibracteatus, Santa Fe, Panama
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 Photo# 17705 Specimen# R0 Costus curvibracteatus at Socorro - lobed ligule with hairs
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 Photo# 17706 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17707 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17708 Specimen# R0 Costus curvibracteatus at Socorro, note long lobed ligules
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 Photo# 17709 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17710 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17711 Specimen# R0 Costus curvibracteatus at Socorro - plicate leaves
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 Photo# 17712 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17713 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17714 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17715 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17716 Specimen# R0 Costus curvibracteatus at Socorro
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 Photo# 17841 Specimen# R3032 Costus curvibracteatus From Costa Rica,
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 Photo# 17895 Specimen# R3367 Costus curvibracteatus From Costa Rica, Cartago
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 Photo# 17896 Specimen# R3367 Costus curvibracteatus From Costa Rica, Cartago
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 Photo# 17897 Specimen# R3367 Costus curvibracteatus From Costa Rica, Cartago
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 Photo# 17898 Specimen# R3367 Costus curvibracteatus From Costa Rica, Cartago
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 Photo# 17899 Specimen# R3367 Costus curvibracteatus From Costa Rica, Cartago
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CLICK HERE for a detailed botanical description and identification key for this species (opens in new window). CLICK HERE to see a description of accession #R3268 . (opens in new window). CLICK HERE to see a description of accession #R2973 . (opens in new window). CLICK HERE to see a description of accession #R3032 . (opens in new window).
PLANT FAMILY: Costaceae BOTANICAL NAME: Costus curvibracteatus FORMAL SCIENTIFIC NAME: Costus curvibracteatus Maas STATUS :Accepted CONTINENT: Neotropical SYNONYMS:
BOTANICAL NOTES: This is an accepted neo-tropical Costus species described by Paul Maas in 1976. It is a terminal flowering plant forming a large, colorful inflorescence with bracts that are curved outwards. The bract colors vary by region, red at the base but some having a bright yellow apex. The flowers are (in most forms) quite small and more or less hidden by the bracts. They are yellow to orange and tubular. The type was collected by Maas in 1974 at 1200 meters in the Parque Nacionál Tapantà in Costa Rica. This species is found in Costa Rica and Panama, growing at higher elevations, usually between 1000 and 1500 meters.The Peruvian species Costus productus is sometimes incorrectly listed and sold under this name. The true Costus curvibracteatus until very recently has been rarely found in cultivation in the US. Costus productus is listed underPID #3789. I have seen the true Costus curvibracteatus many times in various localities in Costa Rica and Panama. In July 2016 I revisited the type locality in PN Tapanti, Costa Rica. The type of the species grows to nearly 3 meters tall and produces a large, showy inflorescence with bright red-orange bracts that are yellow toward the apex, but with very small flowers that are mostly hidden beneath the bracts. The plants in Panama have mostly red bracts with short yellow flowers. These plants have a short truncate ligule characteristically with a dark puplish margin. There is a distinctly different form found in northern Costa Rica, in the eastern side of the Tilaran Mountains and in the Cordillera Central in Parque Nacionál Braulio Carrillo. This form has nearly solid red bracts with longer yellow tubular flower that extends well past the bracts. These plants also differ from the type by having a longer, lobed ligule that is absent the purplish ring at the margins. Another plant that was mentioned by Maas in his 1977 monograph produces a basal inflorescence from a separate flowering shoot, and has been proposed (as of December 2016) to be published as a new species. The basal form and the northern Costa Rica forms are listed separately on the following pages: Basal Flowering Form -PID 7471, collections in Costa Rica and Panama, and Colombia 'Pocosol' Red Bracted Form -PID 7454, a shorter, red-bracted form found in the northern part of Costa Rica. In 2014 I completed an IUCN Red List assessment for this species and it is now classified as Least Concern. My assessment can be found at http://www.iucnredlist.org/details/full/56344647/0.
ACCESSION NOTES: I have found this species to be somewhat difficult to grow here in Tallahassee, perhaps due to our very hot summers. R2973 from Rio Purisil, Costa Rica was lost. R3134 from Cerro Gaital, El Valle, Panama has struggled to survive and never flowered. R3142 from La Fortuna, Panama did not survive. R3184 of unknown origin from cut flowers, received from John Mood is still alive but no flowers. R3243 from Cerro Gaital, Panama has been very slow growing. R3244 from a flower market in El Valle did not survive. R3285 is a recent acquisition from Plant Group Hawaii called "bloody curvi", still alive but no flowers yet. R3367 seeds collected in July 2016 at the type locality in PN TapantĂ. OBSERVATION NOTES:Near Alberque El Socorro, Latitude 10.25957, Longitude -84.16875, at 823 meters elevation. Parque Nacional TapantĂ, Latitude 9.749346, Longitude -83.781492, at 1400 meters elevation. Cerro Gaital, El Valle de Anton, Panama, Latitude 8.628, Longitude -80.119, at 900 meters elevation. Cerro Gaital, El Valle de Anton, Panama, Latitude 8.623, Longitude -80.118, at 1000 meters elevation. Alto Piedra Trail to Cero Tute, Santa Fe, Panama, Latitude 8.5147, Longitude -81.1193, at 900 meters elevation. Smithsonian Divide Trail, La Fortuna area, Panama, Latitude 8.783, Longitude -82.206, at 1280 meters elevation. Willie Mazu lodge area, Panama, Latitude 8.7935, Longitude -82.1927, at 500 meters elevation. Pocosol, Alajuela Province, San RamĂłn, Costa Rica, Latitude 10.353, Longitude -84.668, at 830 meters elevation. Sendero Arboles Caidos, PN TapantĂ, Cartago Province, Costa Rica, Latitude 9.74885, Longitude -83.78092, at 1300 meters elevation. Water Tower Rd, above Orosi, Cartago Province, Costa Rica, Latitude 9.76962, Longitude -83.85333, at 1500 meters elevation. road above Purisil, Cartago Province, Costa Rica, Latitude 9.75, Longitude -83.814, at 1350 meters elevation.
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