Colocasia esculenta

Colocasia esculenta_Moorea Biocode
Photo: Moorea Biocode

Synonyms: Arum esculentum; Caladium esculentum; Colocasia antiquorum

Common names: taro root; wild taro; coco-yam; eddo; elephant-ear-plant

Colocasia esculenta (taro root) is a perennial herb (family Araceae) with yellow-orange flowers and large heart-shaped leaves found in the Central Valley of California. It is native to eastern Asia. It favors grasslands, wetlands, and bog and marsh habitat. It spreads via seeds and vegetative corms and is sometimes cultivated as a crop. Seeds are dispersed by water and agricultural activities.

Cal-IPC Rating: Moderate — Alert?

CDFA Rating: None?


Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.

Weed Management Notes

No Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.

Cal-IPC Newsletter Articles

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

Other Colocasia esculenta Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Colocasia esculenta_leaf_RonVanderhoff
    Colocasia esculenta (taro root) leaf. Photo: Ron Vanderhoff
    Colocasia esculenta_growth habit and flower_copyright2004_JulesStrauss(California Academy of Sciences)
    Colocasia esculenta (taro root) growth habit and flower. Photo: &#169 2004 Jules Strauss, California Academy of Sciences
    Colocasia esculenta_leaf venation_ZoyaAkulova
    Colocasia esculenta (taro root) leaf venation. Photo: Zoya Akulova