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Datasheet for Costus comosus var. bakeri - horticultural plant "barbatus"

Plant Datasheet for Costus comosus var. bakeri - horticultural plant "barbatus"

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Costus comosus  cultivated form known as barbatus -in Colombia - Click to see full sized image
Photo# 15367 Accession# R0
Costus comosus cultivated form known as barbatus -in Colombia


Costus comosus  cultivated form known as barbatus - in Colombia, ligules - Click to see full sized image
Photo# 15368 Accession# R0
Costus comosus cultivated form known as barbatus - in Colombia, ligules


Costus comosus  cultivated form known as barbatus - in Colombia - Click to see full sized image
Photo# 15369 Accession# R0
Costus comosus cultivated form known as barbatus - in Colombia


Costus comosus  cultivated form known as barbatus at Fairchild Gardens, Miami - Click to see full sized image
Photo# 15370 Accession# R0
Costus comosus cultivated form known as barbatus at Fairchild Gardens, Miami


Costus comosus  cultivated form known as barbatus- note basal inflorescences - Click to see full sized image
Photo# 15371 Accession# R0
Costus comosus cultivated form known as barbatus- note basal inflorescences


Costus comosus  cultivated form known as barbatus at Leu Gardens, Orlando - Click to see full sized image
Photo# 15372 Accession# R0
Costus comosus cultivated form known as barbatus at Leu Gardens, Orlando


Costus comosus  cultivated form known as barbatus at Nirvana Botanical Garden in Colombia - ligules - Click to see full sized image
Photo# 15373 Accession# R0
Costus comosus cultivated form known as barbatus at Nirvana Botanical Garden in Colombia - ligules


Costus comosus  cultivated form known as barbatus at Nirvana Botanical Garden in Colombia - Click to see full sized image
Photo# 15374 Accession# R0
Costus comosus cultivated form known as barbatus at Nirvana Botanical Garden in Colombia


Costus comosus  cultivated form known as barbatus at Nirvana Botanical Garden in Colombia - Click to see full sized image
Photo# 15375 Accession# R0
Costus comosus cultivated form known as barbatus at Nirvana Botanical Garden in Colombia


Costus comosus  cultivated form known as barbatus basal flowering at the National Tropical Botanical Garden in Hawaii - Click to see full sized image
Photo# 15376 Accession# R0
Costus comosus cultivated form known as barbatus basal flowering at the National Tropical Botanical Garden in Hawaii


Costus comosus  cultivated form known as barbatus - at Selby Botanical Gardens, Sarasota, FL - Click to see full sized image
Photo# 15390 Accession# R0
Costus comosus cultivated form known as barbatus - at Selby Botanical Gardens, Sarasota, FL


Costus comosus  cultivated form known as barbatus - at Selby Botanical Gardens, Sarasota, FL - Click to see full sized image
Photo# 15391 Accession# R0
Costus comosus cultivated form known as barbatus - at Selby Botanical Gardens, Sarasota, FL


Costus comosus  cultivated form known as barbatus -  at Nirvana Reserve in Colombia.  Note the short ligules and petioles matchi;ng the plant that is cultivated in the US as Costus barbatus. - Click to see full sized image
Photo# 15581 Accession# R0
Costus comosus cultivated form known as barbatus - at Nirvana Reserve in Colombia. Note the short ligules and petioles matchi;ng the plant that is cultivated in the US as Costus barbatus.


Costus comosus  cultivated form known as barbatus -  at Nirvana Reserve in Colombia. - Click to see full sized image
Photo# 15582 Accession# R0
Costus comosus cultivated form known as barbatus - at Nirvana Reserve in Colombia.


Costus comosus  cultivated form known as barbatus -  at Nirvana Reserve in Colombia.  The origin of this planting is not known, whether it is from Colombia or elsewhere. - Click to see full sized image
Photo# 15583 Accession# R0
Costus comosus cultivated form known as barbatus - at Nirvana Reserve in Colombia. The origin of this planting is not known, whether it is from Colombia or elsewhere.


Costus comosus  cultivated form known as barbatus - at Sr. Colonje's garden in Colombia.  Plants look similar to the cultivated
Photo# 15584 Accession# R0
Costus comosus cultivated form known as barbatus - at Sr. Colonje's garden in Colombia. Plants look similar to the cultivated "barbatus" but origin is not known, whether it is from Colombia or elsewhere.


Costus comosus  cultivated form known as barbatus - at Sr. Colonje's garden in Colombia. - Click to see full sized image
Photo# 15585 Accession# R0
Costus comosus cultivated form known as barbatus - at Sr. Colonje's garden in Colombia.


Costus comosus  cultivated form known as barbatus - at Sr. Colonje's garden in Colombia. - Click to see full sized image
Photo# 15586 Accession# R0
Costus comosus cultivated form known as barbatus - at Sr. Colonje's garden in Colombia.


Costus comosus  cultivated form known as barbatus - Click to see full sized image
Photo# 15377 Accession# R3031
Costus comosus cultivated form known as barbatus


Costus comosus  cultivated form known as barbatus- bract and flower - Click to see full sized image
Photo# 15378 Accession# R3031
Costus comosus cultivated form known as barbatus- bract and flower


Costus comosus  cultivated form known as barbatus - bract and bracteole - Click to see full sized image
Photo# 15379 Accession# R3031
Costus comosus cultivated form known as barbatus - bract and bracteole


Costus comosus  cultivated form known as barbatus - bracteole - Click to see full sized image
Photo# 15380 Accession# R3031
Costus comosus cultivated form known as barbatus - bracteole


Costus comosus  cultivated form known as barbatus -  - bract (note margins not fibrous) - Click to see full sized image
Photo# 15381 Accession# R3031
Costus comosus cultivated form known as barbatus - - bract (note margins not fibrous)


Costus comosus  cultivated form known as barbatus -  flower with calyx - Click to see full sized image
Photo# 15382 Accession# R3031
Costus comosus cultivated form known as barbatus - flower with calyx


Costus comosus  cultivated form known as barbatus - calyx and style - Click to see full sized image
Photo# 15383 Accession# R3031
Costus comosus cultivated form known as barbatus - calyx and style


Costus comosus  cultivated form known as barbatus -  corolla lobes - Click to see full sized image
Photo# 15384 Accession# R3031
Costus comosus cultivated form known as barbatus - corolla lobes


Costus comosus  cultivated form known as barbatus -  stamen - Click to see full sized image
Photo# 15385 Accession# R3031
Costus comosus cultivated form known as barbatus - stamen


Costus comosus  cultivated form known as barbatus-  labellum - Click to see full sized image
Photo# 15386 Accession# R3031
Costus comosus cultivated form known as barbatus- labellum


Costus comosus  cultivated form known as barbatus -  labellum - Click to see full sized image
Photo# 15387 Accession# R3031
Costus comosus cultivated form known as barbatus - labellum


Costus comosus  cultivated form known as barbatus - Click to see full sized image
Photo# 15388 Accession# R3031
Costus comosus cultivated form known as barbatus


Costus comosus  cultivated form known as barbatus - Click to see full sized image
Photo# 15389 Accession# R3031
Costus comosus cultivated form known as barbatus


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PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus comosus var. bakeri - horticultural plant "barbatus"
FORMAL SCIENTIFIC NAME:
STATUS :
CONTINENT: Neotropical
SYNONYMS:


BOTANICAL NOTES:
The plant that is commonly sold in US horticulture as Costus barbatus, is generally recognized to be a form of Costus comosus var. bakeri, but its origin in the wild is not known. In Australia it has been usually named as C. comosus var. bakeri. I have not seen this plant in its native habitat, but in 2012 plant enthusisast Bruce Dunstan found a similar looking plant in Colombia. The variety is distinguished from var. comosus by having the upper side of the leaves glabrous and the bracts scabrid to the touch. The type species is from Guatemala which is the center of distribution for this variety, but the plant found in that region does not at all look like the cultivated Costus barbatus. I can only conclude that this species is quite diverse and found in many different forms.

This page is for photos of the cultivated form of "Costus barbatus" which is now generally accepted to be a form of Costus comosus.

ACCESSION NOTES:
R2691, R2947 and R3031 are all cultivated plants, commonly known as C. barbatus. R2947 came from Australia where this plant is known as Costus comosus var. bakeri. In general appearance, this plant is much closer to the C. comosus plants found in Colombia with the wider bract appendages, so its identity as var. bakeri is now in question.

GINGERSRUS CATALOG LISTING:
Costus comosus (Hort.barbatus) - flower This Costus is widely cultivated and one look will tell you why. The long-lasting inflorescense creates a virtual tower of flowers, leading to its common name as the "red tower ginger". The bright yellow flowers poke out from the red bracts and make this an exceptionally showy ginger. This is a tall ginger, growing to a height of 8 ft or a little more in frost free tropical areas.

The only real problem with this plant is the name. Many years ago it was introduced to US horticulture under the name Costus barbatus, which turned out to be incorrect, but the name has stuck and you will find this plant growing in many botanical gardens or listed in plant catalogs or in nurseries under the name Costus barbatus. In Australia, they have it right, usually listed under the name Costus comosus. I finally found the true species Costus barbatus in 2011. More on this at my website at http://www.gingersrus.com/DataSheet.php?PID=3074

It will grow in a fairly wide range of light conditions from part shade to full sun provided the soil is kept moist during active growth. Hardiness is rated to zone 9 (possibly zone 8B) and the foliage will tolerate cool temperatures but not freezing conditons. The rhizomes might survive, but unlike most other Costus species, Costus barbatus will not bloom if it freezes back in winter.


Costus comosus (Hort. barbatus)

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