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Datasheet for Costus plicatus

Plant Datasheet for Costus plicatus


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Photo# 12928 Specimen# R0
Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property)


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Photo# 12929 Specimen# R0
Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property)


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Photo# 11070 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11071 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11072 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11073 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11074 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11075 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11076 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11077 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11078 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11079 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11080 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11081 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11082 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11083 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11084 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11085 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11086 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11087 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11088 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11089 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11090 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11091 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11092 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11093 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11094 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11095 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 11096 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16154 Specimen# R0
Costus plicatus near finca of Reinaldo Aquilar


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Photo# 16155 Specimen# R0
Costus plicatus near finca of Reinaldo Aquilar


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Photo# 16156 Specimen# R0
Costus plicatus near finca of Reinaldo Aquilar


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Photo# 16336 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16337 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16338 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16339 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16340 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16341 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16342 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16343 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16344 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16345 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16346 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16347 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16348 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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Photo# 16349 Specimen# R3211
Costus plicatus
From Costa Rica, Puntarenas


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 #R3275 . (opens in new window).

PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus plicatus
FORMAL SCIENTIFIC NAME: Costus plicatus Maas
STATUS :Accepted
CONTINENT: Neotropical
SYNONYMS:


BOTANICAL NOTES:
This is an accepted neo-tropical Costus species described by Paul Maas in 1976. This species is very close to Costus nitidus, which was also described by Maas in 1976. He distinguishes the two saying C. plicatus has wider leaves which are more strongly plicate and more abruptly acuminate. Both have red, non-appendaged bracts and yellow tubular flowers.

I have seen this species in the wild on the Osa Peninsula of Costa Rica near Rancho Quemado (Reinaldo Aquilar's finca) and in cultivation at La Gamba Research Station. Maas reports it near Rio Esquinas in Costa Rica and in Panama at Santa Fe and also on the Caribbean side where it seems it is co-located with Costus nitidus in Bocas del Toro. I question whether these two should be lumped together as they are so similar. See Costus nitidus (PID 4607) for further discussion.

In 2014 I completed an IUCN Red List assessment for this species and it is now classified as Least Concern. My assessment rationale can be found at http://www.iucnredlist.org/details/full/56347879/0.

ACCESSION NOTES:
R3211 is from the botanical garden at Tropenstation La Gamba, but was collected locally. This collection has been vouchered at the UC Berkeley, Jepsen Herbarium, UC2045788.

OBSERVATION NOTES:

Rio Boqueron, Colon, Panama, Latitude 9.432, Longitude -79.547, at meters elevation.

Los Charcos de Osa, Costa Rica, Latitude 8.6719, Longitude -83.5053, at 60 meters elevation.

GINGERSRUS CATALOG LISTING:
Costus plicatus Costus plicatus is a beautiful plant, and I have never seen it in cultivation. I found it in Costa Rica in 2011 at the La Gamba Research Station and collected seeds. The plants are now finally large enough to ship and should flower in a year or two at the most.

Costus plicatus has very broad and beautiful plicate (pleated) leaves that shimmer n the sunlight. The plant grows to about 6-7 feet tall. The inflorescence is a red cone, much like C. nitidus, with a yellow tubular flower.

Hardiness is untested but expected to be only zone 10 hardy so it must be grown indoors in winter in colder climates.


Costus plicatus Costus plicatus

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