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Datasheet for Costus trachyphyllus

Plant Datasheet for Costus trachyphyllus

CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).

BOTANICAL NAME: Costus trachyphyllus
FORMAL SCIENTIFIC NAME: Costus trachyphyllus K. Schum.
STATUS :synonym

This African species is placed in synonymy with Costus afer (PID3430) 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,

The African Plant Database lists this species as rejected (present), is synonym of : Costus dubius

Flora of Tropical Africa, 1898 - describes this species. Terminal inflo, short ligule, erect stems, long and stout, bracts larger than C. afer or C. lucan., flower broad, white or tinged with rose red. British East Africa.
"6. C. trachyphyllus, Schumann in Engl. Jahrb. Xv. 420. Leafystem long, moderately stout. Leaves oblong, acute, 10-12 in. long,3-4 in. broad at the middle, cuneate at the base, firm in texture, pubescentbeneath; petiole very short; ligule short, truncate. Spikes many-flowered, oblong, terminal, 3 in. long, 2 in. diam. ; outer bracts orbicular,glabrous, 1 1/4 in. broad. Calyx funnel-shaped, 1/2 in. long; teeth 1/3 - 1/4 aslong as the tube. Corolla-lobes oblong, acute, 1 1/4 - 1 1/2 in. long. Lipobovate, 2 1/2-3 in. long, 1 1/2 in. broad, white or tinged with rose-red;petaloid filament about 1 in. shorter than the lip, obtuse; anther 1/3 in.Long, placed half-way down the filament. .
Nile Land. British East Africa: Niamniam; Mbrwole River, Schlweinfurth, ser. Iii. 206! Yuru River, Schweinfurth, 3268!

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