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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 4860 ".
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Chamaecostus fragilis

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


BOTANICAL NAME: Chamaecostus fragilis
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. lanceolatus and C. fusifomis, Maas did not have well preserved flowers to study.
NATURAL DISTRIBUTION:Very localized - Cachoeira da Montanha, Rio Tapajos, Amazonmas-Para, 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

Sparsely to densely, minutely puberulous


0 to 0 cm 3 to 8 mm
Ligule

Sparsely to densely, minutely puberulous


1 to 2 mm 0 to 0 mm
Petiole

Sparsely to densely, minutely puberulous


0 to 5 mm 0 to 0 mm
Leaf



narrowly elliptic
10 to 20 cm 3 to 6 cm
...upper

glabrous




...under






...base



cuneate


...apex



shortly acuminate
0 to 0 mm
Inflorescence Basal - on a separate leafless shoot



narrowly cylindrical
10 to 18 cm 2 to 3 cm
Bract

Sparsely to densely, minutely puberulous, ciliate
membranaceous
obovate
2.0 to 3.0 cm 0.6 to 1.7 cm
Appendage appendage not found on bract




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole

Sparsely to densely, minutely puberulous
membranaceous

0.8 to 1.0 cm 0.0 to 0.0 cm
Flower
white



0 to 0 cm 0 to 0 cm
Calyx 20-30 mm long

Sparsely to densely, minutely puberulous
membranaceous

2.0 to 3.0 cm 0.0 to 0.0 cm
Corolla tube 25-30 mm long
white
glabrous


0.0 to 6.0 cm 0.0 to 0.0 cm
Labellum tube 20 mmlong




0.0 to 3.5 cm 0.0 to 3.5 cm
Stamen joined with labellum




0.0 to 0.0 cm 0.0 to 0.0 cm

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