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

Gingersrus Database Taxon ID 4884

Costus nudicaulis

OLD NAME: Costus nudicaulis

NEW NAME: Costus nudicaulis



STATUS : synonym


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

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


This African species is placed in synonymy with Costus phyllocephalus (PID3757) 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,

Var. pilosa also placed in syn. - Costus nudicaulis Baker var. pilosa Gagnep. (1902b) 19, syn. Nov. — Type:Lecomte B25 (holo P), Congo Brazzaville, ‘Nounzi’, Oct. 1893.

The African Plant Database lists this species accepted, Epiphytic herb with shoots to c. 30 cm tall covered with tubulous pubescent sheaths. It does not list a var. pilosus.

W3Tropicos - - Costus nudicaulis Baker, Author(s): ORSTOM Date: 1988 Publication: List of Vascular Plants of Gabon with Synonymy

Flora of Tropical Africa, 1898 - describes this species.
"7. C. nudicaulis, Baker. Epiphytic. Stem naked, under 1 ft.Long, bearing at its tip a dense rosette of unequal, oblanceolate-oblong,acute leaves, the longest 4 in. long, under 2 in. broad at the middle,moderately firm, glabrous on both sides. Spike many-flowered, oblong.Sessile at the tip of the stem in the centre of the rosette of leaves; bracts,small, oblong. Calyx not protruding beyond the bract. Corolla-Iobes.Oblanceolate-oblong, 1 1/2 in. long. Lip 2 in. long and broad, pale red;process of fertile stamen about 1 in. shorter than the lip; anther-cells 1/3 in. long.
Lower Guinea. Gaboon: Gaboon River, Mann, 1033 !

Schumann describes this species and places in subgenus Epicostus - Das Pflanzenreich IV, 1904.

NOTE: The plant in cultivation that I have sold in the past as Costus nudicaulis has been determined by Paul Maas to be his new species Costus fenestralis.

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

Copyright © 1999-2023 - Dave Skinner,
All text and images on this page are copyrighted. They may be downloaded and/or printed for personal use and scientific research, but may not be published in paper or electronic media without my express consent. They absolutely may not be used commercially in any way whatsoever without my express consent. To inquire about permissions, contact

Photos (if available) of Taxon ID 4884