C. juncea

C. juncea may refer to:


 * Canna juncea, a garden plant
 * Carmichaelia juncea, a New Zealand broom
 * Ceropegia juncea, a lantern flower
 * Chionochloa juncea, a tussock grass
 * Chondrilla juncea, a noxious weed
 * Conostylis juncea, a perennial herb
 * Coronilla juncea, a North African plant
 * Crotalaria juncea, an Asian legume