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Datasheet for Costus plicatus

Plant Datasheet for Costus plicatus

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Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property) - Click to see full sized image
Photo# 12928 Accession# R0
Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property)


Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property) - Click to see full sized image
Photo# 12929 Accession# R0
Costus plicatus at Finca Los Charcos, Costa Rica (Reinaldo & Catherine Aquilar's property)


Costus plicatus near finca of Reinaldo Aquilar - Click to see full sized image
Photo# 16154 Accession# R0
Costus plicatus near finca of Reinaldo Aquilar


Costus plicatus near finca of Reinaldo Aquilar - Click to see full sized image
Photo# 16155 Accession# R0
Costus plicatus near finca of Reinaldo Aquilar


Costus plicatus near finca of Reinaldo Aquilar - Click to see full sized image
Photo# 16156 Accession# R0
Costus plicatus near finca of Reinaldo Aquilar


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11070 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica leaf - Click to see full sized image
Photo# 11071 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica leaf


Costus plicatus at La Gamba Biological Research Station, Costa Rica acumen - Click to see full sized image
Photo# 11072 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica acumen


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11073 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11074 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11075 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11076 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11077 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11078 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11079 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at La Gamba Biological Research Station, Costa Rica leaf apex - Click to see full sized image
Photo# 11080 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica leaf apex


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracts - Click to see full sized image
Photo# 11081 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracts


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracts - Click to see full sized image
Photo# 11082 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracts


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole and calyx - Click to see full sized image
Photo# 11083 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole and calyx


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole and calyx - Click to see full sized image
Photo# 11084 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole and calyx


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole - Click to see full sized image
Photo# 11085 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole


Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole - Click to see full sized image
Photo# 11086 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica bracteole


Costus plicatus at La Gamba Biological Research Station, Costa Rica flower - Click to see full sized image
Photo# 11087 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica flower


Costus plicatus at La Gamba Biological Research Station, Costa Rica flower - Click to see full sized image
Photo# 11088 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica flower


Costus plicatus at La Gamba Biological Research Station, Costa Rica corolla lobes - Click to see full sized image
Photo# 11089 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica corolla lobes


Costus plicatus at La Gamba Biological Research Station, Costa Rica corolla lobes - Click to see full sized image
Photo# 11090 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica corolla lobes


Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum - Click to see full sized image
Photo# 11091 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum


Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum - Click to see full sized image
Photo# 11092 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum


Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum - Click to see full sized image
Photo# 11093 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica labellum


Costus plicatus at La Gamba Biological Research Station, Costa Rica stamen - Click to see full sized image
Photo# 11094 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica stamen


Costus plicatus at La Gamba Biological Research Station, Costa Rica stamen - Click to see full sized image
Photo# 11095 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica stamen


Costus plicatus at La Gamba Biological Research Station, Costa Rica  - Click to see full sized image
Photo# 11096 Accession# R3211
Costus plicatus at La Gamba Biological Research Station, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16336 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16337 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16338 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16339 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16340 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16341 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16342 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16343 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16344 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16345 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16346 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica, sharply plicate leaves - Click to see full sized image
Photo# 16347 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica, sharply plicate leaves


Costus plicatus at Tropenstation La Gamba, Costa Rica - Click to see full sized image
Photo# 16348 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica


Costus plicatus at Tropenstation La Gamba, Costa Rica, note acuminate leaf apex - Click to see full sized image
Photo# 16349 Accession# R3211
Costus plicatus at Tropenstation La Gamba, Costa Rica, note acuminate leaf apex


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).
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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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