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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 4863 ".
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Costus comosus

Costus comosus (Jacq.) Roscoe



Accession # R3031 identified as Costus comosus var. bakeri, a/k/a C. barbatus in from Le Jardin OmbragƩ
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Photo# 15587 Specimen# R0
Costus comosus var. bakeri - the form found in Chiapas, Mexico known locally as CaƱa del Cristo Roja. Bract colors were variable from mostly green to red.


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Photo# 15588 Specimen# R0
Costus comosus var. bakeri - the form found in Chiapas, Mexico known locally as CaƱa del Cristo Roja.


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Photo# 15589 Specimen# R0
Costus comosus var. bakeri - the form found in Chiapas, Mexico known locally as CaƱa del Cristo Roja.


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Photo# 15590 Specimen# R0
Costus comosus var. bakeri - the form found in Chiapas, Mexico known locally as CaƱa del Cristo Roja. Note this plant was found with new growth extendind from the axis of the inflorescence, very much like the one in my garden from Costa Rica.


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Photo# 15751 Specimen# R3233
Costus comosus from Cisneros, Antioquia, Colombia. Photo by Bruce Dunstan


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Photo# 15752 Specimen# R3233
Costus comosus from Cisneros, Antioquia, Colombia. Photo by Bruce Dunstan


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Photo# 15753 Specimen# R3233
Costus comosus from Cisneros, Antioquia, Colombia. Photo by Bruce Dunstan


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Photo# 15754 Specimen# R3233
Costus comosus from Cisneros, Antioquia, Colombia. Photo by Bruce Dunstan


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Photo# 15755 Specimen# R3233
Costus comosus from Cisneros, Antioquia, Colombia. Photo by Bruce Dunstan


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Photo# 15823 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15824 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15825 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15826 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15827 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15828 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15829 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15830 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15831 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15832 Specimen# R3313
Costus comosus var. bakeri from Finca Irlanda - Chiapas, Mexico


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Photo# 15833 Specimen# R3315
Costus comosus var. bakeri along road to Marenco - Chiapas, Mexico


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Photo# 15834 Specimen# R3315
Costus comosus var. bakeri along road to Marenco - Chiapas, Mexico


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Photo# 15835 Specimen# R3315
Costus comosus var. bakeri along road to Marenco - Chiapas, Mexico


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Photo# 15836 Specimen# R3315
Costus comosus var. bakeri along road to Marenco - Chiapas, Mexico


BOTANICAL NAME: Costus comosus var. bakeri
SUBGENUS:Costus
GROUP:1-bracts with appendage
SECTION:II-Ornithophilus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:The plant pictured to the left is the plant common in horticulture under the name Costus barbatus, has been determined to be Costus comosus, and I think this is var. bakeri which differs from var. comosus by having glabrous upper leaves and somewhat scabrid bracts. The characters described below are the key characters for the species with added key characters for var. bakeri
NATURAL DISTRIBUTION:This variety expected from southern parts of Central America.
HEIGHT:0 to 0 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 PartGeneralColorHairsTextureShape LengthWidth
Rhizome




0 to 0 cm0 to 0 cm
Sheath




0 to 0 cm 0 to 0 mm
Ligulevery short, 1-6 mm



truncate
1 to 6 mm 0 to 0 mm
Petiole




0 to 0 mm 0 to 0 mm
Leaf




0 to 0 cm 0 to 0 cm
...upper

glabrous to sparsely strigose




...under

densely sericeous to strigose




...base






...apex




0 to 0 mm
Inflorescence terminal on a leafy stem.




0 to 0 cm 0 to 0 cm
Bract all bracts with foliaceous, reddish appendages, or apices of all bracts reflexed.


scabrid

0.0 to 0.0 cm 0.0 to 0.0 cm
Appendage 15-20 mm long
red
densely sericeous to strigose, rarely glabrous
Often scabrid to touch
triangular-acute, spreading or ascending
0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole




0.0 to 0.0 cm 0.0 to 0.0 cm
Flower




0 to 0 cm 0 to 0 cm
Calyx




0.0 to 0.0 cm 0.0 to 0.0 cm
Corolla




0.0 to 0.0 cm 0.0 to 0.0 cm
Labellum




0.0 to 0.0 cm 0.0 to 0.0 cm
Stamen




0.0 to 0.0 cm 0.0 to 0.0 cm

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