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Botanical Description page for GingersRus plant database number " 3726 ".

You can select the botanical description of a different plant from this list: Click arrow to see list, then click GO Chamaecostus congestiflorus Chamaecostus curcumoides Chamaecostus cuspidatus Chamaecostus fragilis Chamaecostus fusiformis Chamaecostus lanceolatus Chamaecostus subsessilis Cheilocostus globosus Cheilocostus lacerus Cheilocostus speciosus Cheilocostus sopuensis Costus "El Whiskey" Costus sp. from Cabo Matapalo Costus acreanus Costus afer Costus albus Costus allenii Costus amazonicus Costus arabicus Costus asplundii Costus asteranthus Costus barbatus Costus beckii Costus bracteatus Costus chartaceus Costus claviger Costus claviger aff Costus comosus var. bakeri Costus comosus Costus cordatus Costus cupreifolius Costus curvibracteatus Costus deistelii Costus dewevrei Costus dirzoi Costus dubius Costus erythrocoryne Costus erythrophyllus Costus erythrothyrsus Costus fissiligulatus Costus foliaceus Costus gabonensis Costus geothyrsus Costus glaucus Costus guanaiensis Costus guanaiensis var. macrostrobilacius Costus guanaiensis var. tarmicus Costus juruanus Costus laevis Costus lasius Costus lateriflorus Costus letestui Costus leucanthus Costus ligularis Costus lima Costus longebracteolatus Costus lucanusianus var. major Costus lucanusianus Costus Maas species A Costus Maas species B Costus maboumiensis Costus macranthus Costus maculatus Costus malortieanus Costus montanus Costus nitidus Costus nudicaulis Costus oblongus Costus osae Costus phaeotrichus Costus pictus Costus plicatus Costus plowmanii Costus potierae Costus productus Costus pulverulentus Costus quasi-appendiculatus Costus ricus Costus sarmentosus Costus scabe Costus spectabilis Costus spicatus Costus spiralis Costus sprucei Costus stenophyllus Costus subbiflorus Costus tappenbeckianus Costus tonkinensis Costus vargasii Costus varzearum Costus villosissimus Costus vinosus Costus violaceus Costus viridis Costus wilsonii Costus woodsonii Costus zamoranus Costus zingiberoides Paracostus englerianus Paracostus paradoxus

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Costus guanaiensis

Costus guanaiensis Rusby

Accession # R2876 identified as Costus guanaiensis 'Sweet Charlotte' from Le Jardin Ombragé
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Photo# 10877 Specimen# R2666 Costus guanaiensis

Photo# 10878 Specimen# R2666 Costus guanaiensis

Photo# 10879 Specimen# R2666 Costus guanaiensis

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Photo# 12672 Specimen# R0 Costus guanaiensis at Lyon Arboretum, Oahu, Hawaii (form with short appendages)

Photo# 12673 Specimen# R0 Costus guanaiensis at Lyon Arboretum, Oahu, Hawaii (form with short appendages) ligules

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Photo# 16134 Specimen# R0 Costus aff. guanaiensis at Quistococha, near Iquitos, Peru

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

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

Photo# 16137 Specimen# R0 Costus guanaiensis near Atalaya, Manu area, Peru

Photo# 16138 Specimen# R0 Costus guanaiensis near Atalaya, Manu area, Peru

Photo# 16139 Specimen# R0 Costus guanaiensis at Pantiacolla, Manu area, Peru

Photo# 16140 Specimen# R0 Costus guanaiensis at Pantiacolla, Manu area, Peru

Photo# 16141 Specimen# R0 Costus guanaiensis at Pantiacolla, Manu area, Peru

Photo# 16142 Specimen# R0 Costus guanaiensis at Pantiacolla, Manu area, Peru

Photo# 16143 Specimen# R0 Costus guanaiensis at Villa Carmen, Manu area, Peru

Photo# 16144 Specimen# R0 Costus guanaiensis at Villa Carmen, Manu area, Peru

Photo# 16145 Specimen# R0 Costus guanaiensis at Villa Carmen, Manu area, Peru

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

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

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

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

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

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

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

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

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

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

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

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

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

Photo# 16198 Specimen# R2666 Costus guanaiensis var. guan. - origin unknown

Photo# 16199 Specimen# R2666 Costus guanaiensis var. guan. - origin unknown

Photo# 16200 Specimen# R2666 Costus guanaiensis var. guan. - origin unknown

Photo# 16201 Specimen# R2666 Costus guanaiensis var. guan. - origin unknown - upper leaf hairs

Photo# 16202 Specimen# R2666 Costus guanaiensis var. guan. - origin unknown - lower leaf hairs

Photo# 18008 Specimen# R2666 Costus guanaiensis var. guanaiensis - received from Bryan Brunner, leaf hairs upper side

Photo# 18009 Specimen# R2666 Costus guanaiensis var. guanaiensis - received from Bryan Brunner, leaf hairs lower side

Photo# 16215 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16216 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16217 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16218 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16219 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16220 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16221 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16222 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16223 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16224 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador

Photo# 16225 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador - upper leaf hairs

Photo# 16226 Specimen# R3069 Costus guanaiensis var. guan. from Juaneche Reserve, Ecuador - lower leaf hairs

Photo# 18010 Specimen# R3069 Costus guanaiensis var. guanaiensis - Jauneche, Ecuador, leaf hairs upper side

Photo# 18011 Specimen# R3069 Costus guanaiensis var. guanaiensis - Jauneche, Ecuador, leaf hairs lower side

Photo# 16286 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama

Photo# 16287 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama

Photo# 16288 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama

Photo# 16289 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama

Photo# 16290 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama, upper leaf hairs

Photo# 16291 Specimen# R3141 Costus guanaiensis var. guan. from La Fortuna, Panama, lower leaf hairs

Photo# 16329 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica

Photo# 16330 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica

Photo# 16331 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica

Photo# 16332 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica

Photo# 16333 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica

Photo# 16334 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica - upper leaf hairs

Photo# 16335 Specimen# R3209 Costus guanaiensis var. guan. from Cabo Matapalo, Costa Rica - lower leaf hairs

Photo# 18018 Specimen# R3209 Costus guanaiensis var. guanaiensis - Cabo Matapalo, Costa Rica, leaf hairs lower side

Photo# 18019 Specimen# R3209 Costus guanaiensis var. guanaiensis - Cabo Matapalo, Costa Rica, leaf hairs upper side

Photo# 18020 Specimen# R3356 Costus guanaiensis Rio Piedra, Panama

Photo# 18021 Specimen# R3356 Costus guanaiensis Rio Piedra, Panama

Photo# 18022 Specimen# R3356 Costus guanaiensis Rio Piedra, Panama

Photo# 18023 Specimen# R3356 Costus guanaiensis Rio Piedra, Panama, leaf hairs lower side

Photo# 18024 Specimen# R3356 Costus guanaiensis Rio Piedra, Panama, leaf hairs upper side

BOTANICAL NAME: Costus guanaiensis
SUBGENUS:Costus
GROUP:1-bracts with appendage
SECTION:I-Costus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:Manual de Plantas de Costa Rica Vol II, 2003, Missouri Botanical Garden
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:In Flora Neotropica No. 8, Maas classifies 4 varieties keyed as follows:
var. guanaiensis (s Colombia, e Peru, w Bolivia and Costa Rica - Sheaths hirsute to strigose and lower side of leaves ferrugineous-villose, upper side strigose to glabrous
var. asplundii, later reclassified by Maas as a separate species, C. asplundii (Ecuador) - Sheaths hirsute to strigose and lower side of leaves strigose, upper side glabrescent
var. macrostrobilus - Sheaths puberulous, villose or glabrous and upper side of leaves strigose, somewhat scabrid to touch
var. tarmicus - Sheaths puberulous, villose or glabrous and upper side of leaves glabrous to puberulous
NOTE: this is also closely associated (by key) with an unnamed C. aff. claviger species that Maas described.
NOTE 2: In Flora Neotropica No. 18, Maas mentions a Costa Rican specimen that matches Costus bracteatus which is syn. of C. guanaiensis var. guanaiensis, except for having strongly plicate leaves.
NATURAL DISTRIBUTION:Rain forests, riverbank forests or swamps in Central America, n and w South America, sea level to 1600 meters.
HEIGHT:2 to 6 meters

Botanical Description for this Species
For illustrations or explanation of terminology, click on the linked plant part or column header.
Descriptions used for plant identification key are shown in BOLD.

Plant Part	General	Color	Hairs	Texture	Shape	Length	Width
Rhizome						0 to 0 cm	0 to 0 cm
Sheath			variable			0 to 0 cm	10 to 40 mm
Ligule	short, 5-10 mm		variable		truncate	5 to 10 mm	0 to 0 mm
Petiole			variable			5 to 20 mm	0 to 0 mm
Leaf	lower side of leaves glabrous to villose				narrowly ovate to narrowly obovate	20 to 65 cm	5 to 15 cm
...upper		green	variable
...under		green	variable
...base					cuneate, rounded or rarely cordate
...apex					shortly acuminate	0 to 0 mm
Inflorescence	terminal on a leafy stem or on separate leafless shoot to .5 m tall.				ovoid, obtuse	5 to 15 cm	4 to 6 cm
Bract	all bracts with foliaceous, green appendages, or apices of all bracts reflexed., callus absent or 10 mm	green exposed, red covered part	variable	coriaceous	broadly ovate	2.0 to 4.0 cm	0.0 to 5.0 cm
Appendage	ascending or slightly reflexed, rarely absent	green		foliaceous, rigid	narrowly triangular to deltate	2.0 to 4.0 cm	1.5 to 2.0 cm
Bracteole		red, often greenish tipped	glabrous to densely puberulous		boat shape	2.5 to 4.0 cm	0.0 to 0.0 cm
Flower						0 to 0 cm	0 to 0 cm
Calyx		red	glabrous to densely puberulous		lobes triangular	1.4 to 1.8 cm	0.0 to 0.0 cm
Corolla	tube 20 mm long	white, reddish white or yellowish white	glabrous to densely puberulous		lobes narrowly obovate	7.0 to 10.0 cm	0.0 to 0.0 cm
Labellum	large, spreading limb, lateral lobes usually striped with red, middle lobe reflexed, blotched with yellow to orange in center	white or yellowish white			broadly obovate	7.5 to 11.0 cm	0.0 to 0.0 cm
Stamen	anther 10-14 mm long	white to pinkish white			apex obtuse or obscurely 3 lobed	4.0 to 6.0 cm	0.7 to 2.0 cm

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