This page contains photos and description of a species, form or cultivar of Costaceae.

Gingersrus Database Taxon ID 4859

Chamaecostus fusiformis


OLD NAME: Chamaecostus fusiformis

NEW NAME: Chamaecostus fusiformis

NAME CHANGE NOTES:

FULL SCIENTIFIC NAME: Chamaecostus fusiformis (Maas) C.Specht & D.W.Stev.

STATUS : accepted

CONTINENT: Neotropical

FIELD OBSERVATIONS:(If field observations are available, you can click on the link to open in a new window.)
FIELD OBSERVATIONS

PHOTOS:(If photos are available, you can click on the link to open in a new window.)
GOOGLE PHOTO ALBUM

SYNONYMS:
- Costus fusiformis Maas (1972)

BOTANICAL NOTES:
Chamaecostus fusiformis is mainly found in monsoonal regions of Brazil where there is a distinct dry season. It flowers late in the rainy season. I thought this species might be intermediate between Chamaecostus and Costus as it has a completely different inflorescence from other Chamaecostus but it does have the tuberous root system, short stature, and bicarinate bracteole of Chamaecostus. The imbricate bracts and tubular flowers, however are much closer in appearance to Costus species and in fact it is superficially similar looking to Costus lasius. C. fusiformis was not included in the specimens examined by Chelsea Specht in her molecular analysis. I received an email from Paul and Hiltje Maas about this species placement and they believe it is closest to Chamaecostus based on the "intermitent shoot" theory of Thiago André as explained in the December 2012 Bulletin of the Heliconia Society International. Thiago published results of phylogeny of Chamaecostus and it was found that C. fusiformis is closely related to C. curcumoides and shares many morphological characters with that species.

I found this species to be quite common in the Altafloresta area and at Cristalino in Mato Grosso, Brazil. It was found in a different habitat from the other two species of Chamaecostus in that area, growing in lower areas in a clay-sand mix of soil in forest understory rather than the rocky areas where I found Chamaecostus subsessilis and Chamaecostus lanceolatus. I wrote an article about the Chamaecostus of Cristalino published in the December 2012 issue of the Heliconia Society International quarterly Bulletin, beginning on page 6.

HORTICULTURAL NOTES:
Not known to be in cultivation anywhere, and not listed in the BGCI network.

ACCESSIONS:Click links (if any) to see details of individual collections. R3250-


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Photos (if available) of Taxon ID 4859
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Chameaecostus fusiformis, photo from Skinner R3250 Cristalino, Mato Groso, Brazil - Click to see full sized image
Photo# 14 Accession# R3250
Chameaecostus fusiformis, photo from Skinner R3250 Cristalino, Mato Groso, Brazil


Chameaecostus fusiformis, photo from Skinner R3250 Cristalino, Mato Groso, Brazil - Click to see full sized image
Photo# 15 Accession# R3250
Chameaecostus fusiformis, photo from Skinner R3250 Cristalino, Mato Groso, Brazil