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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 3227 ".
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Costus stenophyllus

Costus stenophyllus Standl. & L.O.Williams



Accession # R3277 identified as Costus stenophyllus from La Gamba Biological Research Station, Costa Rica
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Photo# 11899 Specimen# R0
Costus stenophyllus on trail near Rancho Quemado, Osa Peninsula, Costa Rica


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Photo# 11900 Specimen# R0
Costus stenophyllus on trail near Rancho Quemado, Osa Peninsula, Costa Rica


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Photo# 11901 Specimen# R2613
Costus stenophyllus at Natural Selections Exotics


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Photo# 11902 Specimen# R2613
Costus stenophyllus at Natural Selections Exotics corolla


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Photo# 11903 Specimen# R2613
Costus stenophyllus at Natural Selections Exotics stamen


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Photo# 11904 Specimen# R2613
Costus stenophyllus by Enid Offolter at Natural Selections Exotics


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Photo# 11905 Specimen# R0
Costus stenophyllus at Fairchild Tropical Gardens, Miami, FL


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Photo# 11906 Specimen# R0
Costus stenophyllus at Fairchild Tropical Gardens, Miami,


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Photo# 11907 Specimen# R0
Costus stenophyllus on trail near Mogos, Osa Peninsula, Costa Rica


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Photo# 11908 Specimen# R0
Costus stenophyllus on trail near Mogos, Osa Peninsula, Costa Rica


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Photo# 11909 Specimen# R0
Costus stenophyllus on trail near Mogos, Osa Peninsula, Costa Rica


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Photo# 11910 Specimen# R0
Costus stenophyllus on trail near Mogos, Osa Peninsula, Costa Rica


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Photo# 11911 Specimen# R0
Costus stenophyllus on trail near Mogos, Osa Peninsula, Costa Rica


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Photo# 11912 Specimen# R0
Costus stenophyllus by John Ingram


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Photo# 11913 Specimen# R0
Costus stenophyllus by Kathleen Kay, Michigan State University


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Photo# 11914 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica


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Photo# 11915 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica


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Photo# 11916 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica


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Photo# 11917 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica


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Photo# 11918 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica flower with bract and bracteole


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Photo# 11919 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica flower with bract and bracteole


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Photo# 11920 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica flower


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Photo# 11921 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica bracteole


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Photo# 11922 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica bracteole


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Photo# 11923 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica calyx


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Photo# 11924 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica calyx


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Photo# 11925 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica labellum and stamen (far exceeding labellum)


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Photo# 11926 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica corolla lobes


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Photo# 11927 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica labellum and stamen (far exceeding labellum)


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Photo# 11928 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica labellum


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Photo# 11929 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica labellum


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Photo# 11930 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica stamen


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Photo# 11931 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica bract


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Photo# 11932 Specimen# R0
Costus stenophyllus at La Gamba Biological Research Station, Costa Rica bract


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Photo# 11933 Specimen# R0
Costus stenophyllus on trail near La Gamba Biological Research Station, Costa Rica


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Photo# 11934 Specimen# R0
Costus stenophyllus on trail near La Gamba Biological Research Station, Costa Rica


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Photo# 11935 Specimen# R0
Costus stenophyllus on trail near La Gamba Biological Research Station, Costa Rica


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Photo# 11936 Specimen# R0
Costus stenophyllus at Leu Gardens, Orlando, FL


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Photo# 12839 Specimen# R0
Costus stenophyllus at Waimea Audubon Center, Oahu, Hawaii


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Photo# 17251 Specimen# R0
Costus stenophyllus, John Mood garden


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Photo# 17252 Specimen# R0
Costus stenophyllus, Costa Rica, La Gamba area


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Photo# 17253 Specimen# R0
Costus stenophyllus, Costa Rica, La Gamba area


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Photo# 17254 Specimen# R0
Costus stenophyllus, Costa Rica, La Gamba area


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Photo# 17255 Specimen# R0
Costus stenophyllus, Costa Rica, La Gamba area


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Photo# 17256 Specimen# R0
Costus stenophyllus, Costa Rica, Los Planes, Osa Peninsula


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Photo# 17257 Specimen# R0
Costus stenophyllus, Costa Rica, Los Planes, Osa Peninsula


BOTANICAL NAME: Costus stenophyllus
SUBGENUS:Costus
GROUP:2-bracts not appendaged
SECTION:II-Ornithophilus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:Manual de Plantas de Costa Rica Vol II, 2003, Missouri Botanical Garden
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:Maas says this species can be very easily recognized by its linear leaves, separate flowering stem (rare in Central America) and yellow flowers with prominent stamen and inconspicuous labellum.
NATURAL DISTRIBUTION:Costa Rica, Esquinas Forest, prov. Puntarenas at 60 m altitude.
HEIGHT:2 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
SheathFlowering stems 50 cm tall, colored green, apically red, sheaths obliquely truncate 2-5 cm long by .8-1.6 cm wide.
reddish-brown margined
glabrous


0 to 0 cm 5 to 15 mm
Ligule

glabrous

truncate
1 to 2 mm 0 to 0 mm
Petiole

glabrous


5 to 10 mm 0 to 0 mm
Leaf



linear, less then 2 cm wide
15 to 30 cm 0 to 2 cm
...upper

glabrous




...under

glabrous




...base



cunate


...apex



long-caudate
0 to 0 mm
Inflorescence Basal - on a separate leafless shoot.



ovoid, acute or subobtuse
9 to 14 cm 3 to 4 cm
Bract callus greenish yellow to 15 mm long
red
glabrous
coriaceous
broadly ovate-triangular
2.0 to 5.0 cm 2.0 to 4.0 cm
Appendage none




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole

glabrous

boat shape
0.0 to 2.7 cm 0.0 to 0.0 cm
Flower Ca 80 mm long
yellowish



0 to 0 cm 0 to 0 cm
Calyx 15-16 mm long
red
glabrous

lobes triangular, 5 m long
1.5 to 1.6 cm 0.0 to 0.8 cm
Corolla tube 20 mm long, lobes 60 mm long by 15 mm wide
yellow


lobes narrowly elliptic, acute
0.0 to 8.0 cm 0.0 to 0.0 cm
Labellum lateral lobes rolled inwards and forming a tube, upper margin 5-lobulate, central lobe linear 6 mm long, 4 lateral lobes depressed ovate, 1.5 mm long and 2.5 mm wide
yellow


oblong-ovate when spread
0.0 to 4.0 cm 0.0 to 2.0 cm
Stamen stamen far exceeding labellum, apex obtuse, very slightly crenulate, anther 7-8 mm long



narrowly elliptic
5.0 to 6.0 cm 0.5 to 0.7 cm

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