Description: Costus spectabilis can be recognized by its four
horizontally spreading leaves forming a cruciform rosette flat
on the ground, with an inflorescence in the centre producing
large yellow flowers.4
WCSP (2019). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Last accessed on Friday, 22 February, 2019.
Image #00 (cropped) & #01, #02 (original) used with the permission of the National Museum of Natural History, Smithsonian Institution, 10th and Constitution Ave. N.W., Washington, DC 20560-0193. Last accessed on Monday, 15 July, 2019.
Maas-van de Kamer, H.; Maas, P.J.M.; Wieringa, J.J.; Specht, C.D. Monograph of African Costaceae, Blumea - Biodiversity, Evolution and Biogeography of Plants, Volume 61, Number 3, 2016, pp. 280-318(39) DOI: https://doi.org/10.3767/000651916X694445
data regenerated on Wed, 26 Feb 2020 12:25:21 -0500 [bcm v4.0]