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Datasheet for Costus guanaiensis var. macrostrobilus

Plant Datasheet for Costus guanaiensis var. macrostrobilus


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Photo# 10880 Specimen# R0
Costus guanaiensis near Cabo Matapalo, Osa peninsula, Costa Rica


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Photo# 10881 Specimen# R0
Costus guanaiensis near Cabo Matapalo, Osa peninsula, Costa Rica


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Photo# 10882 Specimen# R0
Costus guanaiensis near Cabo Matapalo, Osa peninsula, Costa Rica


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Photo# 10883 Specimen# R0
Costus guanaiensis FAIRCHILD #2001-0825B at Fairchild Tropical Gardens, Miami, Florida ligule


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Photo# 10884 Specimen# R0
Costus guanaiensis FAIRCHILD #2001-0825B at Fairchild Tropical Gardens, Miami, Florida ligule


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Photo# 10885 Specimen# R0
Costus guanaiensis FAIRCHILD #2001-0825B at Fairchild Tropical Gardens, Miami, Florida appendaged bracts


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Photo# 10886 Specimen# R0
Costus guanaiensis near Puerto Jimenez, Osa peninsula, Costa Rica


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Photo# 10887 Specimen# R0
Costus guanaiensis by Kathleen Kay, Michigan State University


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Photo# 10888 Specimen# R0
Costus guanaiensis by Kathleen Kay, Michigan State University


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Photo# 12369 Specimen# R0
Costus guanaiensis at Mastatal, Costa Rica inflorescence


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Photo# 12370 Specimen# R0
Costus guanaiensis at Mastatal, Costa Rica inflorescence


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Photo# 12371 Specimen# R0
Costus guanaiensis at Mastatal, Costa Rica inflorescence


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Photo# 12372 Specimen# R0
Costus guanaiensis at Mastatal, Costa Rica stem showing ligules


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Photo# 10889 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica


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Photo# 10890 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica


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Photo# 10891 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica


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Photo# 10892 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica


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Photo# 10893 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica


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Photo# 10894 Specimen# R0
Costus guanaiensis near Rincon, Osa Peninsula, Costa Rica Eva Schembera and Reinaldo Aquilar photographing flower of


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Photo# 10895 Specimen# R0
Costus guanaiensis at Wilson Botanical Garden, Costa Rica


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Photo# 10896 Specimen# R0
Costus guanaiensis at Wilson Botanical Garden, Costa Rica


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Photo# 10897 Specimen# R0
Costus guanaiensis at Wilson Botanical Garden, Costa Rica


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Photo# 10898 Specimen# R0
Costus guanaiensis at Wilson Botanical Garden, Costa Rica


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Photo# 10899 Specimen# R0
Costus guanaiensis at Wilson Botanical Garden, Costa Rica


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Photo# 10900 Specimen# R0
Costus guanaiensis at University of Wisconsin http://botit.botany.wisc.edu/ courses/ img/ bot/401/ Magnoliophyta/ Liliopsida/ Zingiberidae/ Costaceae/ Costus/


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Photo# 12907 Specimen# R0
Costus guanaiensis near Cabrachi in SE Costa Rica possibly


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Photo# 16119 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16120 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16121 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16122 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16123 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16124 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16125 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16126 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16127 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16128 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16129 Specimen# R0
Costus guanaiensis from Colombia at Rio Guaycuyacu, Ecuador


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Photo# 16130 Specimen# R0
Costus guanaiensis at Reserva Bilsa, Ecuador


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Photo# 16131 Specimen# R0
Costus guanaiensis at Reserva Bilsa, Ecuador


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Photo# 16132 Specimen# R0
Costus guanaiensis at Reserva Bilsa, Ecuador


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Photo# 16133 Specimen# R0
Costus guanaiensis at Reserva Bilsa, Ecuador


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Photo# 16135 Specimen# R0
Costus guanaiensis at Nirvana in Colombia


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Photo# 16136 Specimen# R0
Costus guanaiensis at Rio Piedra, Panama


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Photo# 16146 Specimen# R0
Costus guanaiensis in Drake area, Osa Peninsula, Costa Rica


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Photo# 16147 Specimen# R0
Costus guanaiensis in Drake area, Osa Peninsula, Costa Rica


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Photo# 16148 Specimen# R0
Costus guanaiensis in Drake area, Osa Peninsula, Costa Rica


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Photo# 16149 Specimen# R0
Costus guanaiensis at Jardin Botanico del Pacifico, Bahia Solano, Colombia


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Photo# 16150 Specimen# R0
Costus guanaiensis at Jardin Botanico del Pacifico, Bahia Solano, Colombia


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Photo# 16151 Specimen# R0
Costus guanaiensis at Jardin Botanico del Pacifico, Bahia Solano, Colombia


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Photo# 16152 Specimen# R0
Costus guanaiensis at Jardin Botanico del Pacifico, Bahia Solano, Colombia


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Photo# 16153 Specimen# R0
Costus guanaiensis at Jardin Botanico del Pacifico, Bahia Solano, Colombia


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Photo# 17986 Specimen# R0
Costus guanaiensis along road above Mastatal


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Photo# 17987 Specimen# R0
Costus guanaiensis along road above Mastatal


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Photo# 17988 Specimen# R0
Costus guanaiensis along road above Mastatal


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Photo# 17989 Specimen# R0
Costus guanaiensis along road above Mastatal - leaf hairs upper side


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Photo# 17990 Specimen# R0
Costus guanaiensis along road above Mastatal - leaf hairs lower side


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Photo# 16215 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16216 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16217 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16218 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16219 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16220 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16221 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16222 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16223 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16224 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16225 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16226 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 18010 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 18011 Specimen# R3069
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Ecuador, Los Ríos


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Photo# 16329 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16330 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16331 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16332 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16333 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16334 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 16335 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 18018 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


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Photo# 18019 Specimen# R3209
CURRENTLY: Costus guanaiensis var. macrostrobilus
PROPOSED: Costus macrostrobilus
From Costa Rica, Puntarenas


CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).

PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus guanaiensis var. macrostrobilus
FORMAL SCIENTIFIC NAME: Costus guanaiensis Rusby
STATUS :
CONTINENT: Neotropical
SYNONYMS:
Costus guanaiensis Rusby var. macrostrobilus (K.Schum.) Maas (1972), Costus macrostrobilus K.Schum. in Urban (1903), Costus argenteus auct. non Ruiz & Pav.: L.F.Gagnep. (1902), Costus villosissimus auct. non Jacq.: Rowlee (1922), Costus scaber auct. non Ruiz & Pav.: Loes. (1931), Costus friedrichsenii auct. non Petersen: Woodson (1942),

BOTANICAL NOTES:
Paul Maas distinguishes var. macrostrobilus as follows: "Sheaths glabrous, rather densely puberulous to villose. Upper side of the leaves densely or rarely sparsely strigose [stiff, appressed hairs], somewhat scabrid to the touch, lower side densely villose to puberulous. Bracts glabrous to puberulous." I have had difficulty differentiating this variety from var. guanaiensis. He further describes this variety as producing its inflorescence terminally on a leafy stem - not basal - whereas var. guanaiensis can produce either type of inflorescence. So I am assuming if the hairs are not brown, but are appressed on the upper side of the leaves and feel somewhat scabrous (rough like sandpaper when brushed in one direction), then it may be var. macrostrobilus.

According to Maas in the Flora Neotropica, the distribution of var. macrostrobilus is more prevalent in Central America and northwestern South America extending to the Pacific side of Colombia (Depts of Chocó, Antioquia and El Valle (a/k/a Valle de Cauca) and Ecuador (Esmeraldas-Los Rios). However, there are also collections that Maas determined as var. macrostrobilus in Venezuela, Guyana, Brazil and Peru. Geographically, there is much overlap between this variety and var. guanaiensis.

Many examples of Costus guanaiensis I have seen in Costa Rica, Panama and eastern Ecuador do NOT seem to have upper leaf surfaces scabrid. I have been unable to find any plant that I can reliably identify as var. macrostrobilus based on the leaf indument in these countries. In checking GBIF records for collections that have been determined by Paul Maas to be var. macrostrobilus, they have come from the following countries: 6 from Belize, 1 from Brazil, Acre, 2 from Colombia, 6 from Costa Rica including 4 in Puntarenas/Osa Peninsula, 1 in Ecuador, Esmeraldas, 1 in Guyana, 6 in Nicaragua, 19 in Panama from Bocas del Toro on the western Caribbean side to Darién on the Pacific side, 3 in Peru including Loreto (Maynas), and 10 in Venezuela.

In checking GBIF records for collections determined by Paul Maas as var. guanaiensis I found the following: 2 from Bolivia, 9 from Brazil, Acre, 6 from Costa Rica (central part, San Jose and Cartago), 3 from Panama, including La Fortuna area, and 21` from Peru, mostly Loreto and Madre de Dios.

So it would seem that these two varieties are pretty much intermingled, and considering the natural proclivity of Costus hairiness to be variable, I have some real doubts about the value in separating these two varieties - at least based on the minor differences in the hairs on the leaves.

ACCESSION NOTES:
R2930 was supposed to be this variety but did not survive.

OBSERVATION NOTES:

Laguna de Cube, La Y, Esmeraldas Province, Ecuador, Latitude 0.392, Longitude -79.645, at 330 meters elevation.


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