Costus lucanusianus: African Spiral Flag

Costus lucanusianus, also known as African Spiral Flag, native to tropical Africa, is a species of family Costaceae [a small tropical herbaceous family of 4 genera and about 200 species, resembling and closely related to Zingiberaceae.]

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These plant has thin stems that grow nearly vertical up to 8 feet in height, with little spiraling of the leaves. The bracts on the cone structure are not tightly compressed. Flowers emerge one or two at a time from the bracts, and last only a day. The individual flowers are one inch to 1 1/2 inches across and have a thin, tissue-like texture.

Photo: SBG Singapore 20120313

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