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Datasheet for Costus erythrothyrsus

Plant Datasheet for Costus erythrothyrsus

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Costus erythrothyrsus at Tom Wood Nursery, Archer, FL  - Click to see full sized image
Photo# 10789 Accession# R0
Costus erythrothyrsus at Tom Wood Nursery, Archer, FL


Costus erythrothyrsus at Tropical Paradise Nursery, Davie, FL  - Click to see full sized image
Photo# 10790 Accession# R0
Costus erythrothyrsus at Tropical Paradise Nursery, Davie, FL


Costus erythrothyrsus at Lyon Arboretum, Oahu, Hawaii  - Click to see full sized image
Photo# 12667 Accession# R0
Costus erythrothyrsus at Lyon Arboretum, Oahu, Hawaii


Costus erythrothyrsus - Click to see full sized image
Photo# 10773 Accession# R2256
Costus erythrothyrsus


Costus erythrothyrsus - Click to see full sized image
Photo# 10774 Accession# R2256
Costus erythrothyrsus


Costus erythrothyrsus  bracts - Click to see full sized image
Photo# 10775 Accession# R2256
Costus erythrothyrsus bracts


Costus erythrothyrsus  bracts - Click to see full sized image
Photo# 10776 Accession# R2256
Costus erythrothyrsus bracts


Costus erythrothyrsus  flower - Click to see full sized image
Photo# 10777 Accession# R2256
Costus erythrothyrsus flower


Costus erythrothyrsus  bracteole - Click to see full sized image
Photo# 10778 Accession# R2256
Costus erythrothyrsus bracteole


Costus erythrothyrsus  calyx - Click to see full sized image
Photo# 10779 Accession# R2256
Costus erythrothyrsus calyx


Costus erythrothyrsus  calyx - Click to see full sized image
Photo# 10780 Accession# R2256
Costus erythrothyrsus calyx


Costus erythrothyrsus  corolla - Click to see full sized image
Photo# 10781 Accession# R2256
Costus erythrothyrsus corolla


Costus erythrothyrsus  stamen - Click to see full sized image
Photo# 10782 Accession# R2256
Costus erythrothyrsus stamen


Costus erythrothyrsus  stamen - Click to see full sized image
Photo# 10783 Accession# R2256
Costus erythrothyrsus stamen


Costus erythrothyrsus  labellum - Click to see full sized image
Photo# 10784 Accession# R2256
Costus erythrothyrsus labellum


Costus erythrothyrsus  labellum - Click to see full sized image
Photo# 10785 Accession# R2256
Costus erythrothyrsus labellum


Costus erythrothyrsus - Click to see full sized image
Photo# 10786 Accession# R2256
Costus erythrothyrsus


Costus erythrothyrsus - Click to see full sized image
Photo# 10787 Accession# R2256
Costus erythrothyrsus


Costus erythrothyrsus - Click to see full sized image
Photo# 10788 Accession# R2256
Costus erythrothyrsus


Costus erythrothyrsus   flower - Click to see full sized image
Photo# 12355 Accession# R2256
Costus erythrothyrsus flower


Costus erythrothyrsus   flower - Click to see full sized image
Photo# 12356 Accession# R2256
Costus erythrothyrsus flower


Costus erythrothyrsus  at Smithsonian Research Greenhouse, Washington ligules - SM #1995-185 - - Click to see full sized image
Photo# 12357 Accession# R2256
Costus erythrothyrsus at Smithsonian Research Greenhouse, Washington ligules - SM #1995-185 -


CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).
CLICK HERE to see a description of accession #R2256 . (opens in new window).
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PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus erythrothyrsus
FORMAL SCIENTIFIC NAME: Costus erythrothyrsus Loes.
STATUS :Accepted
CONTINENT: Neotropical
SYNONYMS:
Costus 'Red Lollipop', Costus 'Eskimo Kiss', Costus spiralis var. spiralis,

BOTANICAL NOTES:
Maas lists this as a syn of C. spiralis, but I am listing it as a distinct, valid neo-tropical Costus species. It is also listed as a valid species and there is a photo at http://fm2.fieldmuseum.org/plantguides/guide_pdfs/316%20COSTACEAE%20Colombia-06.pdfI have not seen it in its natural habitat, but the photos on this page are from a cultivated plant that has been tagged with this species name.

HOLOTYPE: Collected in 1924 by G. Tessman in Peru (same region listed as with C. erythrophyllus) "Stromgebiet des Maranon von Iquitos aufwarts bis zur Santiago-Mundung am Pongo de Manseriche, ca. 77 30 West". Basin of the Maranon from Iquitos up to Santiago estuary at Pongo de Manseriche, about 77.5 degrees West. This was apparently destroyed with others in Berlin 1943, but there is a photo image available on line via GBIF. Image shows basal inflo, non-appendaged bracts, tubular flower, distinct nectar callus. A LECTOTYPE of the same collection (by Tessman/Delessert) is at Geneva with the notation "Berlin Negatives / seeds-12-Jan-2016".

http://www.nouragues.cnrs.fr/NourPlantes.htm - This is listed as a valid species here and it is described as being an epilithic plant (growing on rocks) in the Nouragues area in French Guiana.

Checklist of the Plants of the Guianas - gopher://nmnhgoph.si.edu:70/0R217674-219444-/.docs/guianas_data//checkl2 - Costus erythrothyrsus Loes. [GU SU FG]

Described by P. J. M. Maas in Flora Neotropica under Costus sprialis. Maas says this is a synonym of C. spiralis var. spiralis.

http://scisun.nybg.org:8890/searchdb/owa/wwwcatalog.search_list - specimens found in French Guiana

ACCESSION NOTES:
R2256 is Smithsonian USBRG#1995-185, which has been circulated in cultivation in the US. It was tested for winter hardiness by Tom Wood near Gainesville, Florida - zone 8b-9, did not survive.

GINGERSRUS CATALOG LISTING:
Costus erythrothyrsus -flower Costus erythrothyrsus is a small Costus growing to a height of no more than 2 1/2 feet, not often found in plant catalogs. It has very nice red inflorescence with red and pink flowers. In his 1972 monograph, Dr. Paul Maas placed this species in synometry with Costus spiralis var. spiralis, but it is currently recognized as a valid species name.

It produces mostly basal blooms but in 2004 my plant also produced blooms terminal on a leafy stem. I tested a good sized clump outdoors in the mild winter of 2005 here in zone 8B Tallahassee and it did not return at all, so I would say it is not hardy north of zone 10. It is small enought to be grown in a pot and brought indoors in winter. It should be grown in rich, moist organic soil in part sun to very light or filtered shade.


Costus erythrothyrsus - plant

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