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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 4882 ".
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Costus maboumiensis

Costus maboumiensis Pellegr.


BOTANICAL NAME: Costus maboumiensis
SUBGENUS:
GROUP:
SECTION:
PRIMARY SOURCE USED FOR DESCRIPTION:Koechlin - Flore du Gabon, 1965
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:KOECHLIN KEY: Plants with upright stems, with many leaves arranged along the stem, or grouped toward the top. Radical inflorescence. Leafy stem is over 1 meter high sometimes with many flowers, plants are glabrous. Leafy stem is over 1 meter high sometimes with many flowers, plants are glabrous. Flowers tinted with brownish red, labellum yellow, one flower per bract.
NATURAL DISTRIBUTION:Endemic to Gabon
HEIGHT:0 to 1 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
Ligule

very shortly pubescent

obliquely truncate
12 to 15 mm 0 to 0 mm
Petiole

very shortly pubescent


0 to 5 mm 0 to 0 mm
Leaf



oblanceolate
0 to 20 cm 0 to 9 cm
...upper

glabrous except at margins




...under






...base



attenuate, slightly rounded


...apex



caude-acuminate
0 to 0 mm
Inflorescence Basal - separate flowering stem about 35 cm long, leafless
peduncle streaked transversely in red



4 to 5 cm 3 to 4 cm
Bract




0.0 to 2.0 cm 0.0 to 0.0 cm
Appendage




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole thickening callus at apex



slightly falciforme (sickle shaped), thin
0.0 to 0.0 cm 0.0 to 0.0 cm
Flower single flower per bract




0 to 0 cm 0 to 0 cm
Calyx

glabrous

tri-dentate
1.0 to 1.8 cm 0.0 to 0.0 cm
Corolla
tinted reddish brown



0.0 to 4.5 cm 0.0 to 0.0 cm
Labellum
yellow



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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