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Datasheet for Costus erythrophyllus

Plant Datasheet for Costus erythrophyllus

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Costus erythrophyllus at Atlanta Botanic Gardens plicate leaves - Click to see full sized image
Photo# 10720 Accession# R0
Costus erythrophyllus at Atlanta Botanic Gardens plicate leaves


Costus erythrophyllus at Atlanta Botanic Gardens smooth leaves - Click to see full sized image
Photo# 10721 Accession# R0
Costus erythrophyllus at Atlanta Botanic Gardens smooth leaves


Costus erythrophyllus at Leu Gardens, Orlando, FL ligules - Click to see full sized image
Photo# 10722 Accession# R0
Costus erythrophyllus at Leu Gardens, Orlando, FL ligules


Costus erythrophyllus at Moody Gardens, Galveston, TX  - Click to see full sized image
Photo# 10723 Accession# R0
Costus erythrophyllus at Moody Gardens, Galveston, TX


Costus erythrophyllus at Moody Gardens, Galveston, TX  - Click to see full sized image
Photo# 10724 Accession# R0
Costus erythrophyllus at Moody Gardens, Galveston, TX


Costus erythrophyllus at Selby Botanical Gardens, Sarasota, FL  - Click to see full sized image
Photo# 10725 Accession# R0
Costus erythrophyllus at Selby Botanical Gardens, Sarasota, FL


Costus erythrophyllus at the National Tropical Botanical Garden, Kauai, Hawaii  #990326  - Click to see full sized image
Photo# 12666 Accession# R0
Costus erythrophyllus at the National Tropical Botanical Garden, Kauai, Hawaii #990326


Costus erythrophyllus  Specimen from Jesse Durko Nursery - Click to see full sized image
Photo# 10683 Accession# R2847
Costus erythrophyllus Specimen from Jesse Durko Nursery


Costus erythrophyllus  Specimen from Jesse Durko Nursery - Click to see full sized image
Photo# 10684 Accession# R2847
Costus erythrophyllus Specimen from Jesse Durko Nursery


Costus erythrophyllus - Click to see full sized image
Photo# 10685 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus - Click to see full sized image
Photo# 10686 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus - Click to see full sized image
Photo# 10687 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus  bracts, bracteoles, calyx - Click to see full sized image
Photo# 10688 Accession# R2847
Costus erythrophyllus bracts, bracteoles, calyx


Costus erythrophyllus  bracts, not green appendages - Click to see full sized image
Photo# 10689 Accession# R2847
Costus erythrophyllus bracts, not green appendages


Costus erythrophyllus  bracts, note green appendages - Click to see full sized image
Photo# 10690 Accession# R2847
Costus erythrophyllus bracts, note green appendages


Costus erythrophyllus  bracteole and calyx - Click to see full sized image
Photo# 10691 Accession# R2847
Costus erythrophyllus bracteole and calyx


Costus erythrophyllus  bracteole and calyx - Click to see full sized image
Photo# 10692 Accession# R2847
Costus erythrophyllus bracteole and calyx


Costus erythrophyllus  bracteoles - Click to see full sized image
Photo# 10693 Accession# R2847
Costus erythrophyllus bracteoles


Costus erythrophyllus  bracteoles - Click to see full sized image
Photo# 10694 Accession# R2847
Costus erythrophyllus bracteoles


Costus erythrophyllus  calyx - Click to see full sized image
Photo# 10695 Accession# R2847
Costus erythrophyllus calyx


Costus erythrophyllus  flower - Click to see full sized image
Photo# 10696 Accession# R2847
Costus erythrophyllus flower


Costus erythrophyllus  flower - Click to see full sized image
Photo# 10697 Accession# R2847
Costus erythrophyllus flower


Costus erythrophyllus  flower - Click to see full sized image
Photo# 10698 Accession# R2847
Costus erythrophyllus flower


Costus erythrophyllus  corolla lobes - Click to see full sized image
Photo# 10699 Accession# R2847
Costus erythrophyllus corolla lobes


Costus erythrophyllus  corolla lobes - Click to see full sized image
Photo# 10700 Accession# R2847
Costus erythrophyllus corolla lobes


Costus erythrophyllus  labellum and stamen - Click to see full sized image
Photo# 10701 Accession# R2847
Costus erythrophyllus labellum and stamen


Costus erythrophyllus  labellum - Click to see full sized image
Photo# 10702 Accession# R2847
Costus erythrophyllus labellum


Costus erythrophyllus  stamen - Click to see full sized image
Photo# 10703 Accession# R2847
Costus erythrophyllus stamen


Costus erythrophyllus  stamen - Click to see full sized image
Photo# 10704 Accession# R2847
Costus erythrophyllus stamen


Costus erythrophyllus  stamen - Click to see full sized image
Photo# 10705 Accession# R2847
Costus erythrophyllus stamen


Costus erythrophyllus  style - Click to see full sized image
Photo# 10706 Accession# R2847
Costus erythrophyllus style


Costus erythrophyllus  labellum - Click to see full sized image
Photo# 10707 Accession# R2847
Costus erythrophyllus labellum


Costus erythrophyllus  labellum - Click to see full sized image
Photo# 10708 Accession# R2847
Costus erythrophyllus labellum


Costus erythrophyllus  labellum - Click to see full sized image
Photo# 10709 Accession# R2847
Costus erythrophyllus labellum


Costus erythrophyllus  labellum - Click to see full sized image
Photo# 10710 Accession# R2847
Costus erythrophyllus labellum


Costus erythrophyllus  ligule - Click to see full sized image
Photo# 10711 Accession# R2847
Costus erythrophyllus ligule


Costus erythrophyllus  leaves - Click to see full sized image
Photo# 10712 Accession# R2847
Costus erythrophyllus leaves


Costus erythrophyllus - Click to see full sized image
Photo# 10713 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus - Click to see full sized image
Photo# 10714 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus - Click to see full sized image
Photo# 10715 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus - Click to see full sized image
Photo# 10716 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus  stamens - Click to see full sized image
Photo# 10717 Accession# R2847
Costus erythrophyllus stamens


Costus erythrophyllus  stamens - Click to see full sized image
Photo# 10718 Accession# R2847
Costus erythrophyllus stamens


Costus erythrophyllus - Click to see full sized image
Photo# 10719 Accession# R2847
Costus erythrophyllus


Costus erythrophyllus   stigma - Click to see full sized image
Photo# 12352 Accession# R2847
Costus erythrophyllus stigma


Costus erythrophyllus   stigma - Click to see full sized image
Photo# 12353 Accession# R2847
Costus erythrophyllus stigma


Costus erythrophyllus   stigma - Click to see full sized image
Photo# 12354 Accession# R2847
Costus erythrophyllus stigma


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 #R2847 . (opens in new window).
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PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus erythrophyllus
FORMAL SCIENTIFIC NAME: Costus erythrophyllus Loes.
STATUS :Accepted
CONTINENT: Neotropical
SYNONYMS:


BOTANICAL NOTES:
This is an accepted neo-tropical Costus species first described in 1929. In his 1972 monograph Paul Maas put this species into synonymy with Costus claviger. In 1977 he reconsidered and split this species back out from C. claviger and also described the new species C. varzearum and a "C. aff. claviger" to cover the terminal flowering types from western South America. Costus erythrophyllus is distinguished from the others as having very deeply two-lobed ligules (10-38 mm long), plicate leaves and longer bract appendages than C. claviger or C. varzearum, among other less distinguishable differences. He says the leaves are often purplish underneath, but does not distinguish the species by that character. He gives its distribution as Amazonian Colombia, Ecuador, Brazil and Peru.

This species appears to be somewhat variable in nature as there are several forms that fit the botanical description of this species. The most common form in cultivation is a short plant with waxy leaves, dark green on top and deep puple underneath. I saw this form but not in flower in habitat near Iquitos, Peru. Please see the separate web pages for more information on the other forms.
'Silver Leaf' atPID7351
'Grey Ghost' atPID7300
Santa Maria form atPID7584

The HOLOTYPE was collected in 1924 by G. Tessmann from the mouth of the Rio Apaga, in the Maranon River region of Loreto, Peru. This specimen was destroyed in 1943 Berlin so Paul Maas selected a NEOTYPE: cultivated from seeds collected from Rio Moa between Igarape Ipiranga and Aquidaba, Acre, Brazil.

Specimen at NTBG #980543 appears to be the same as the form most commonly found in cultivation. Seed collected by 'Sparrow' and distributed to NTBG via David Orr from Waimea Arboretum. Collected from Aguarico River, Amazonia Ecuador. Elev. 230 m.a.s.l. Understory 'cane' growing in riparian regenerating forest. Beautiful flowers.

ACCESSION NOTES:
I have several accessions of the common cultivated form. R1931 (no longer alive), R2847, R2933 and R2996 all from commercial sources. R3026 came from Atlanta Botanical Garden where it was tagged as Costus atropurpurea (not a valid species name) but looks identical. This species was tested for winter hardiness by Tom Wood near Gainesville, Florida - zone 8b-9, did not survive. R3026 has been vouchered at the UC Berkeley, Jepsen Herbarium, UC2045819.

OBSERVATION NOTES:

Rio Pato, Santa María, Boyacá, Colombia, Latitude 4.88057, Longitude -73.27172, at 976 meters elevation.

Quebrada Cristalino, Santa María, Boyacá, Colombia, Latitude 4.84862, Longitude -73.27213, at 900 meters elevation.

Reserva Natural north of town, Santa María, Boyacá, Colombia, Latitude 4.8838, Longitude -73.2535, at 1200 meters elevation.

Santa Teresa, south of Rio Mazán, Maynas Province, Peru, Latitude -3.53, Longitude -73.177, at 120 meters elevation.

San Rafael Indian village, Maynas Province, Peru, Latitude -3.556, Longitude -73.11, at 90 meters elevation.

GINGERSRUS CATALOG LISTING:
Costus erythrophyllus-flower Costus erythrophyllus comes from the Amazon basin of Ecuador and parts of Peru, Columbia and Brazil. There are several somewhat different looking forms, but this is the most common one in US horticulture. This is another Costus that is sometimes incorrectly listed as Costus sanguineus, which is not a valid name in Costus. The leaves are waxy and shiny, with very dark green uppersides and deep burgundy undersides. The flowers have bright red stripes and are quite showy as they are produced both on basal stems and terminally at the end of the leafy stems.

The plant grows to a height of about 3 feet making it suitable for container growing in a greenhouse or outside in zones 10 and higher. I have seen some sources indicating it is zone 9 hardy, but I would not recommend it to be grown outdoors in winter except in frost free areas. It should be grown in part shade, moist, well-drained organic soil.


Costus erythrophyllus

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