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

Gingersrus Database Taxon ID 7559

Costus loangensus

OLD NAME: Costus loangensus

NEW NAME: Costus loangensus


FULL SCIENTIFIC NAME: Costus loangensis H. Maas & Maas

STATUS : accepted


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This African species is recognized in Paul Maas' monograph on African Costaceae, published on 16 December 2016. (Monograph of African Costaceae, H. Maas-van de Kamer, P.J.M. Maas, J.J. Wieringa, C.D. Specht, Blumea 61, 2016: 280 - 318,

New species of African Costus published in Phyto Keys 18:12.2012 (19 Nov 2012). A single population of this species was found growing in wet forest on white sand soil under rain forest canopy at Parc Nacional de Loango in coastal Gabon. Phylogeny revealed it to be closest to Costus ligularis (a/k/a Costus mosaicus) and the morphologically its flower is similar to Costus spectabilis and vegetatively close to Costus ligularis. It has a longer calyx (11-12 mm) than C. ligularis and yellow flowers like C. spectabilis. Plant is about 1/2 meter tall. Full description is at

My accession of this new species (R3407, received at Burgers Bush in the Netherlands) was unfortunately either incorrectly tagged or mixed up with another species.

ACCESSIONS:Click links (if any) to see details of individual collections. R3407-

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Photos (if available) of Taxon ID 7559
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Costus loangensus - Click to see full sized image
Photo# 628 Accession# R0
Costus loangensus