Achyranthes bidentata  L.

Chaff-flower, Prickly Chaff Flower, Devil's Horsewhip
Plants > Angiosperms > Amaranthaceae​ > Achyranthes aspera
Kingdom: Plantae
Clade: Angiosperms
Class: Dicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Achyranthes
Species: aspera
  • Common names: Chaff-flower, Prickly Chaff Flower, Devil's Horsewhip
  • Thai names: พันงู Phan ngu, ควยงู Khuai ngu (Central); หญ้าตีนงูขาว Ya tin ngu khao (Bangkok)
  • Chinese names: 土牛膝 tu niu xi
  • Distribution: Bhutan, China, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sikkim, Sri Lanka, Taiwan, Thailand, Vietnam, Africa, SW Asia, Europe.
  • Image locations: Chonburi (Pattaya)
  • Map info: Provinces are highlighted according to phytogeographical areas as used in the Flora of Thailand project.
  • Additional notes: 
Achyranthes aspera image location map.jpg
Image locations
Images of Achyranthes aspera from Thailand.
Achyranthes bidentata.jpg
Achyranthes bidentata Blume Pattaya Chonburi October
References: 
The Plant List
Forest Herbarium - BKF
Flora of China