Costus scaber Ruiz & Pav.
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Authority
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
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Family
Costaceae
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Scientific Name
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Description
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Species Description - Herbs, 1.5-3 m tall; ligule 5-15 mm long. Leaves narrowly elliptic to narrowly obovate, 18-31 X 7.5-9 cm, abaxial surface subglabrous, midrib on adaxial side densely hairy. Inflorescences terminating leafy stems, ovoid to narrowly ellipsoid to cylindric, 3.5-7 X 3-3.5 cm, to 12 X 5 cm in fruit; bracts orange-red to red with yellow callus, 20-25 X 20-30 mm. Flowers opening away from inflorescence axis; calyx reddish, 3-7 mm long; corolla orange, 35-40 mm long; labellum tubular, yellow, 20-30 X 15-20 mm.
Distribution and Ecology - Fl (Jan, Feb, Apr, Jun), fr (Feb); common in non-flooded forest at 200 to 400 m, also found in marshy forest and in secondary vegetation.