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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 4859 ".
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Chamaecostus fusiformis

Chamaecostus fusiformis (Maas) C.Specht & D.W.Stev.



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Photo# 13179 Specimen# R3250
Chamaecostus fusiformis bracteole


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Photo# 13180 Specimen# R3250
Chamaecostus fusiformis bracteole is tubular, bicarinate.


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Photo# 13181 Specimen# R3250
Chamaecostus fusiformis bracts


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Photo# 13182 Specimen# R3250
Chamaecostus fusiformis bracts


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Photo# 13183 Specimen# R3250
Chamaecostus fusiformis calyx and bracteole


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Photo# 13184 Specimen# R3250
Chamaecostus fusiformis close up of the stem and very short ligule and petiole, barely discernable.


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Photo# 13185 Specimen# R3250
Chamaecostus fusiformis inflorescence, not yet in flower.


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Photo# 13101 Specimen# R3250
Chamaecostus fusiformis


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Photo# 13102 Specimen# R3250
Chamaecostus fusiformis


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Photo# 13103 Specimen# R3250
Chamaecostus fusiformis


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Photo# 13104 Specimen# R3250
Chamaecostus fusiformis


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Photo# 13105 Specimen# R3250
Chamaecostus fusiformis - just starting to flower, this was a sunny location along the entrance road to Cristalino.


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Photo# 13106 Specimen# R3250
Chamaecostus fusiformis habitat, forest understory


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Photo# 13107 Specimen# R3250
Chamaecostus fusiformis plicate leaves


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Photo# 13108 Specimen# R3250
Chamaecostus fusiformis undersides of leaves were purple


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Photo# 13109 Specimen# R0
Chamaecostus fusiformis at http://farm8.staticflickr.com/7193/6999534785_ab26c24c73_o.jpg showing tubular flower


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Photo# 13110 Specimen# R0
Chamaecostus fusiformis at http://www.kew.org/science/tropamerica/cristalino.htm showing tubular flower.


BOTANICAL NAME: Chamaecostus fusiformis
SUBGENUS:
GROUP:Bracts not appendaged
SECTION:
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:This species closely related to C. curcumoides and C. lanceolatus. Illustration in Maas' monograph indicates long thin rhizome.

Photos to the left are of the plants I saw in Mato Grosso state in Brazil, in the Alta Floresta area and at the Cristalino Private Reserve. I was there in November 2012, early in the rainy season and most of the plants were not in flower or even beginning to flower. I found one patch in a sunny area along the entrance road to Cristalino that was starting to flower. Photos to the left are from those plants. Photos of the flowers can be seen at the Kew Gardens website at http://www.kew.org/science/tropamerica/imagedatabase/large1/cat_single1-1086.htm (see series of webpages 1084-1087.htm)
NATURAL DISTRIBUTION:Only twice collected, near Rio Tapajos, Para-Amazonas, Brazil
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

glabrous to sparsely puberulous


0 to 0 cm 3 to 7 mm
Ligule

glabrous


1 to 2 mm 0 to 0 mm
Petiole

glabrous


2 to 3 mm 0 to 0 mm
Leaf Costa covered with densely minutely puberulous



Narrowly elliptic TO narrowly obovate
6 to 23 cm 2 to 5 cm
...upper






...under






...base



cordate


...apex



acuminate
5 to 20 mm
Inflorescence terminal on leafy stem



fusiform
6 to 7 cm 1 to 2 cm
Bract densely imbricate, 10-20 mm wide, callus 3-7 mm
yellow
sparse, minute puberulous
chartaceous
imbricate (overlapping), ovate-triangular
0.0 to 3.0 cm 1.0 to 2.0 cm
Appendage appendage not found on bract




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole


membranaceous

0.5 to 0.8 cm 0.0 to 0.0 cm
Flower long and narrow




0 to 0 cm 0 to 0 cm
Calyx 13-15 mm long


membranaceous

1.1 to 1.5 cm 0.0 to 0.0 cm
Corolla tube 40mm long




0.0 to 6.0 cm 0.0 to 0.0 cm
Labellum Labellum & stamen conglutinata




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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