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Datasheet for Costus leucanthus

Plant Datasheet for Costus leucanthus

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Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294  - Click to see full sized image
Photo# 12678 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294  - Click to see full sized image
Photo# 12679 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 ligules - Click to see full sized image
Photo# 12680 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 ligules


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294  - Click to see full sized image
Photo# 12681 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294  - Click to see full sized image
Photo# 12682 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294  - Click to see full sized image
Photo# 12683 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 bracts - Click to see full sized image
Photo# 12684 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 bracts


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 bracts - Click to see full sized image
Photo# 12685 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 bracts


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 flower - Click to see full sized image
Photo# 12686 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 flower


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 corolla lobes - Click to see full sized image
Photo# 12687 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 corolla lobes


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 stamen - Click to see full sized image
Photo# 12688 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 stamen


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 stamen - Click to see full sized image
Photo# 12689 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 stamen


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 bracteole and calyx - Click to see full sized image
Photo# 12690 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 bracteole and calyx


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 calyx - Click to see full sized image
Photo# 12691 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 calyx


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 flower parts - Click to see full sized image
Photo# 12692 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 flower parts


Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii  #91P294 labellum - Click to see full sized image
Photo# 12693 Accession# R0
Costus leucanthus at Waimea Audubon Center, Oahu, Hawaii #91P294 labellum


Costus leucanthus by Karen Skinner at Waimea Audubon Center, Oahu, Hawaii  #91P294 David Orr and myself, note height of plant - Click to see full sized image
Photo# 12694 Accession# R0
Costus leucanthus by Karen Skinner at Waimea Audubon Center, Oahu, Hawaii #91P294 David Orr and myself, note height of plant


Costus leucanthus at Lita, Ecuador - Click to see full sized image
Photo# 16740 Accession# R0
Costus leucanthus at Lita, Ecuador


Costus leucanthus at Lita, Ecuador - Click to see full sized image
Photo# 16741 Accession# R0
Costus leucanthus at Lita, Ecuador


Costus leucanthus at Lita, Ecuador - Click to see full sized image
Photo# 16742 Accession# R0
Costus leucanthus at Lita, Ecuador


Costus leucanthus at Lita, Ecuador - Click to see full sized image
Photo# 16743 Accession# R0
Costus leucanthus at Lita, Ecuador


Costus leucanthus at Lita, Ecuador - Click to see full sized image
Photo# 16744 Accession# R0
Costus leucanthus at Lita, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16909 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16910 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16911 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16912 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16913 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16914 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16915 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16916 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


Costus leucanthus at Pachijal, Ecuador - Click to see full sized image
Photo# 16917 Accession# R3199
Costus leucanthus at Pachijal, Ecuador


CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).
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PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus leucanthus
FORMAL SCIENTIFIC NAME: Costus leucanthus Maas
STATUS :Accepted
CONTINENT: Neotropical
SYNONYMS:
Costus leucanianus,

BOTANICAL NOTES:
This is an accepted neo-tropical Costus species described by Paul Maas in 1976. It is a tall plant that is easilly distinguishable, especially in flower, but also has unique-looking ligules, 55-70 mm long, very deeply lobed and acutely triangular in shape. It flowers terminally with red bracts that are hidden by the long, triangular shaped foliaceus green appendages. The flowers are nearly pure white with no red stripes, but only a pale yellow throat to the labellum. The corolla lobes are open, away from the labellum and the overall look of the flower is quite different from other Costus species.

The type specimen is from Colombia, at km 71 of the new road to Buenaventura in the area known as "El Valle" (Valle del Cauca). Maas only knew the plant to be from Colombia when he described it but I have seen it across the border into Ecuador at Lita and even farther south near the village of Pachijal. The places I have seen it have all been low, wet places.

ACCESSION NOTES:
R3011 from Waimea 91P294 - Collected by Maas and Plowman (the type location) in Colombia, El Valle, near km 71 of new road Cali - Buenaventura. Received thru Ray Baker, Lyon, from RBG Edinburgh #750177.

R3199 from seeds collected in Ecuador, Pachijal.

OBSERVATION NOTES:

Lita, Carchi Province, Ecuador, Latitude 0.88333, Longitude -78.48333, at 900 meters elevation.

Pachijal, Ecuador, Latitude 0.162, Longitude -78.938, at 495 meters elevation.

1.5 km N of Pachijal, Ecuador, Latitude 0.175, Longitude -78.936, at 500 meters elevation.

GINGERSRUS CATALOG LISTING:
Cotus leucanthus is rarely found in cultivation. It is from the eastern lowland jungles of Colombia and Ecuador. It grows to 8-10 feet tall with unusual triangular shaped appendaged bracts and pure white flowers with just a touch of pale yellow on the lebellum.

I have not grown it for very long and do not have any experience with hardiness, but guessing it would only be outdoors hardy in USDA zone 10 or warmer. I have always seen it growing (in nature) in sunny areas and close to streams so I would recommend moist soil and full sun for this plant in cultivation.



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