Gingersrus Database Taxon ID 4884
OLD NAME: Costus nudicaulis
NEW NAME: Costus nudicaulis
NAME CHANGE NOTES:
FULL SCIENTIFIC NAME:
STATUS : synonym
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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, http://www.ingentaconnect.com/content/nhn/blumea/2016/00000061/00000003/art00010)
Var. pilosa also placed in syn. - Costus nudicaulis Baker var. pilosa Gagnep. (1902b) 19, syn. Nov. â€” Type:Lecomte B25 (holo P), Congo Brazzaville, â€˜Nounziâ€™, 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 - http://mobot.mobot.org/W3T/Search/pick.html - 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.
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