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Datasheet for Costus bicolor

Plant Datasheet for Costus bicolor

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BOTANICAL NAME: Costus bicolor
FORMAL SCIENTIFIC NAME: Costus bicolor J.Braun & K.Schum.
STATUS :unknown

This African species is listed as an "insufficiently known name" 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,

This is believed to be a valid African species of Costus first described in 1889. The type is from Cameroun. It was described as follows in Flora of Tropical Africa, Vol 7, page 293 (1898) Author: (By J. G. BAKER.)
Leafy stem slender, 10–20 in. long. Leaves oblong-lanceolate, 2–4 in. long, acuminate, narrowed to the base, firm in texture, glabrous on both surfaces. Flowering peduncle short, with only sheaths from the nodes. Spike 2-flowered; bracts not longer than the ovary. Calyx violet, funnel-shaped, 1/2 in. long; lobes very short. Corolla 1 in. long; lobes narrowly lanceolate. Lip obovate, golden-yellow, 2 in. long, crenulate on the margin; process of fertile stamen lanceolate, acuminate. From Upper Guinea Cameroons: Muha, near Malimba, in woods, Braun!

The African Plant Database lists this species as uncertain status.

The African Plant Database lists this species as having uncertain status. Ecology : Cameroon, Muha near Malimba: flooded places along river, epiphyte on thick tree (Braun 91); on mountain top near Bangwa station; 1400-1500 m alt.

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

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