Gingers & relatives (Zingiberales)

Understory monocots in several related plant families. Species of Costus are often referred to as spiral gingers due to the arrangement of their leaves which maximize exposure to sunlight. Some species also have red/purple pigments on the lower surface of leaves to better capture what little light makes it to the forest floor. Fruits, foliage and roots of some species are spicy-fragrant (ginger-like). Pollination is by bees and hummingbirds. 

Costus erythrocoryne

Costus arabicus (?)

Costus erythrophyllus

Costus erythrophyllus

Costus sp. leaves unfolding

Costus arabicus (?)

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