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Datasheet for Costus nudicaulis

Plant Datasheet for Costus nudicaulis

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PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus nudicaulis
FORMAL SCIENTIFIC NAME: Costus nudicaulis Baker
STATUS :synonym
CONTINENT: African
SYNONYMS:


BOTANICAL NOTES:
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. — 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 - 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.

GINGERSRUS CATALOG LISTING:
Here is a very different Costus species from Africa. The felty leaves are all gathered to the top of the plant in a rosette with the lavendar flower at the center. It is medium in height, maturing at about 4 feet, vigorous and very easy to grow.



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