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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 4607 ".
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Costus nitidus

Costus nitidus Maas



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Photo# 12915 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica


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Photo# 12916 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica


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Photo# 12917 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica


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Photo# 12918 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica


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Photo# 12919 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica


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Photo# 12920 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica bracts


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Photo# 12921 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica bracts


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Photo# 12922 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica bracteole


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Photo# 12923 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica calyx and bracteole


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Photo# 12924 Specimen# R3088
Costus nitidus aff. at Hitoy-Cerere Biological Reserve, Costa Rica fruit


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Photo# 12925 Specimen# R0
Costus nitidus aff. along Cerro Miradore Trail, Shiroles, Costa Rica


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Photo# 12926 Specimen# R0
Costus nitidus aff. along Cerro Miradore Trail, Shiroles, Costa Rica


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Photo# 12927 Specimen# R0
Costus nitidus aff. along Cerro Miradore Trail, Shiroles, Costa Rica


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Photo# 16157 Specimen# R0
Possible Costus nitidus along Cerro Miradore trail - Shiroles, Costa Rica


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Photo# 16252 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16253 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16254 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16255 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16256 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16257 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16258 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica - in habitat


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Photo# 16259 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica - in habitat


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Photo# 16260 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica


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Photo# 16261 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica (John Mood garden)


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Photo# 16262 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica (John Mood garden)


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Photo# 16263 Specimen# R3088
Costus nitidus from Hitoy-Cerere, Costa Rica (John Mood garden)


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Photo# 16292 Specimen# R3160
Costus 'Mongrel' (hills above Rio Bonyic)


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Photo# 16293 Specimen# R3160
Costus 'Mongrel' (hills above Rio Bonyic)


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Photo# 16294 Specimen# R3160
Costus 'Mongrel' (hills above Rio Bonyic)


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Photo# 17887 Specimen# R3365
Costus aff. nitidus at CATIE type locality


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Photo# 17888 Specimen# R3365
Costus aff. nitidus at CATIE type locality - ligule


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Photo# 17889 Specimen# R3365
Costus aff. nitidus at CATIE type locality


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Photo# 17890 Specimen# R3365
Costus aff. nitidus at CATIE type locality


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Photo# 17891 Specimen# R3365
Costus aff. nitidus at CATIE type locality


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Photo# 17892 Specimen# R3365
Costus aff. nitidus CATIE - two months later, mature inflorescence


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Photo# 17893 Specimen# R3365
Costus aff. nitidus CATIE - two months later, mature inflorescence


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Photo# 17894 Specimen# R3365
Costus aff. nitidus CATIE - two months later, mature inflorescence


BOTANICAL NAME: Costus nitidus
SUBGENUS:Costus
GROUP:2-bracts not appendaged
SECTION:II-Ornithophilus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 18, 1977
SECONDARY SOURCES:Manual de Plantas de Costa Rica Vol II, 2003, Missouri Botanical Garden
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:Described and named by Maas in 1976. Costus nitidus is closely related to C. plicatus, without the plicate leaves.

Manual de Plantas de Costa Rica says it can be recognized by its large size, shiny leaves and stems, and red bracts. There have been very few collections of this plant in Costa Rica. It is found at 500-900 meters on the Carribean slope in the mountain ranges Tilarán, Central, and Talamanca, flowering in Feb., May, and August.
NATURAL DISTRIBUTION:Panama and Costa Rica, in forests from 50-900 m.
HEIGHT:0 to 4 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, shining


0 to 0 cm 10 to 20 mm
Ligulelong, over 15 mm



obliquely truncate to slightly 2-lobed
20 to 40 mm 0 to 0 mm
Petiole

glabrous


8 to 15 mm 0 to 0 mm
Leaf leaf margins densely covered with stiff brownish hairs



narrowly elliptic
30 to 43 cm 7 to 10 cm
...upper

glabrous, shining




...under

glabrous, shining




...base



cunate


...apex



acute to acuminate
0 to 20 mm
Inflorescence terminal on a leafy stem.
pink


ovoid, obtuse
7 to 16 cm 4 to 5 cm
Bract callus pale yellow to green, 12-15 mm long
pink exposed, white covered
glabrous
thick, coriaceous
broadly ovate, obtuse
3.0 to 5.0 cm 3.0 to 5.0 cm
Appendage none




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole
white
glabrous

boat shape
1.8 to 2.0 cm 0.0 to 0.0 cm
Flower




0 to 0 cm 0 to 0 cm
Calyx
white
glabrous
mucronate
lobes shallow triangular
0.7 to 1.0 cm 0.0 to 0.8 cm
Corolla tube 25-30 mm long, lobes 40-45 mm long, dorsal 15-22 mm wide, lateral lobes 13-18 mm wide
yellow
glabrous


0.0 to 7.0 cm 0.0 to 0.0 cm
Labellum lateral lobes involute and forming a tube 10-12 mm in diam, upper margin 5-lobulate, 10 mm long with stamen
yellow


oblong-obovae when spread, lobules nar. Triangular
3.0 to 3.3 cm 1.7 to 2.0 cm
Stamen slightly exceeding the labellum, anther 9 mm by 5 mm
yellow


narrowly elliptic, apex cucullate, slightly recurv
0.0 to 3.5 cm 1.2 to 1.3 cm

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