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Costus Species Botanical Description Botanical Description page for GingersRus plant database number " 3758 ".
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Costus vargasii

Costus vargasii Maas & H.Maas



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Photo# 12052 Specimen# R0
Costus vargasii by Ray Lampert at Nat'l Botanic Garden of Belgium


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Photo# 12053 Specimen# R0
Costus vargasii by Ray Lampert at Nat'l Botanic Garden of Belgium


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Photo# 17383 Specimen# R3264
Costus vargasii - MLC plant and inflo


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Photo# 17384 Specimen# R3264
Costus vargasii - MLC in fruit


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Photo# 17385 Specimen# R3264
Costus vargasii - Pantiacolla plant with inflo


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Photo# 17386 Specimen# R3264
Costus vargasii - Pantiacolla plant


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Photo# 17387 Specimen# R3264
Costus vargasii - Pantiacolla plant


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Photo# 17388 Specimen# R3264
Costus vargasii - Pantiacolla inflo


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Photo# 17389 Specimen# R3264
Costus vargasii - Pantiacolla inflo top


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Photo# 17390 Specimen# R3264
Costus vargasii - Pantiacolla inflo


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Photo# 17391 Specimen# R3264
Costus vargasii - Pantiacolla stem and ligule


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Photo# 17392 Specimen# R3264
Costus vargasii - Pantiacolla leaves


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Photo# 17393 Specimen# R3264
Costus vargasii - Pantiacolla ligule


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Photo# 17394 Specimen# R3264
Costus vargasii - Peru, Manu, Pantiacolla bract and flower composite


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Photo# 17395 Specimen# R3264
Costus vargasii - Pantiacolla plant


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Photo# 17396 Specimen# R3264
Costus vargasii - Pantiacolla plant


BOTANICAL NAME: Costus vargasii
SUBGENUS:
GROUP:2-bracts not appendaged
SECTION:II-Ornithophilus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, RBG Edinb. 46(3): 307-320
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:Maas described and named this species in 1990. Characterized by separate basal infl with red bracts and yellow tubular flowers, long ligule as in C. beckii, but entire plant is glabrous, whereas C. beckii is hairy on most plant parts.
NATURAL DISTRIBUTION:Known from two collections in Peru.
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

glabrous


0 to 0 cm 0 to 17 mm
Ligulelong ligule

glabrous

2 lobed
25 to 35 mm 0 to 0 mm
Petiole

glabrous


10 to 15 mm 0 to 0 mm
Leaf



narrowly obovate
32 to 37 cm 7 to 10 cm
...upper
very dark dull green
glabrous




...under
pruplish
glabrous




...base



rounded to cuneate


...apex



acuminate and mucronate
0 to 12 mm
Inflorescence Basal - on a separate leafless shoot, shoots somewhat inflated in ripe stage.



narrowly oblong, rounded at apex
4 to 8 cm 2 to 3 cm
Bract callus pale red
red
glabrous
coriaceous
obovate, obtuse
2.5 to 3.5 cm 1.7 to 2.5 cm
Appendage




0.0 to 0.0 cm 0.0 to 0.0 cm
Bracteole

glabrous

boat shape
1.9 to 2.2 cm 0.0 to 0.0 cm
Flower upper part at 45 degrees with the axis of infl
yellow


tubular
0 to 0 cm 0 to 0 cm
Calyx

glabrous

turbinate
0.7 to 1.0 cm 0.7 to 0.9 cm
Corolla tube 5-7 mm long
yellow



5.3 to 5.5 cm 0.0 to 0.0 cm
Labellum
yellow


obovate
0.0 to 3.5 cm 0.0 to 1.8 cm
Stamen
yellow



0.0 to 3.7 cm 0.0 to 0.9 cm

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