Costus

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The plant known to the Ancient Romans as costus is probably Saussurea lappa
Costus
Costus sp. in Monteverde, Costa Rica
Costus sp. in Monteverde, Costa Rica
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Zingiberales
Family: Costaceae
Genus: Costus
L.
Species

Many, see text

Costus is a genus of perennial tropical herbs. They are often characterized (and distinguished from relatives such as Zingiber) by their spiraling stems.

[edit] Selected species

Costus spicatus, Spiked Spirlaflag Ginger.
Costus spicatus, Spiked Spirlaflag Ginger.
  • Costus acreanus
  • Costus barbatus - Spiral ginger
  • Costus chartaceus - Christmas costus
  • Costus cuspidatus
  • Costus deistellii
  • Costus dubius
  • Costus fragilis
  • Costus fusiformis
  • Costus lima
  • Costus malortieanus
  • Costus osae
  • Costus phaeotrichus
  • Costus pulverulentus
  • Costus speciosus - Crape ginger
  • Costus spicatus
  • Costus tapenbeckianus
  • Costus woodsonii

[edit] Formerly placed in Costus

Plants for some time placed in this genus include Alpinia nutans (= Costus zerumbet)

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