Youngia japonica subsp. japonica

This subspecies is accepted
The native range of this subspecies is Tropical & Subtropical Asia. It is an annual or biennial and grows primarily in the subtropical biome.


Native to:

Afghanistan, Assam, Bangladesh, Cambodia, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, India, Japan, Kazan-retto, Korea, Laos, Malaya, Myanmar, Nansei-shoto, Nepal, Ogasawara-shoto, Pakistan, Philippines, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam, West Himalaya

Introduced into:

Alabama, Arkansas, Bahamas, Cayman Is., Colombia, Comoros, Costa Rica, Cuba, District of Columbia, Dominican Republic, El Salvador, Fiji, Florida, Georgia, Guatemala, Guyana, Haiti, Hawaii, Honduras, Jamaica, Jawa, Kentucky, KwaZulu-Natal, Leeward Is., Louisiana, Madagascar, Marianas, Maryland, Mauritius, Mexico Central, Mississippi, New Caledonia, New South Wales, New York, Nicaragua, North Carolina, Panamá, Paraguay, Pennsylvania, Puerto Rico, Queensland, Rodrigues, Réunion, Samoa, Seychelles, Sicilia, Society Is., South Carolina, Tennessee, Texas, Tonga, Trinidad-Tobago, Vanuatu, Venezuela, Virginia, Windward Is.


Heterotypic Synonyms


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POWO follows these authorities in accepting this name:

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8: 215.

Kew Backbone Distributions

  • (2019). epublication.
  • Amith, J. & collaborators (2020). Nahuatl Learning Environment
  • Barooah, C. & Ahmed, I. (2014). Plant diversity of Assam. A checklist of Angiosperms and Gymnosperms: 1-599. Assam science technology and environment council, India.
  • Barthelat, F. (2019). La flore illustrée de Mayotte: 1-687. Biotope éditions.
  • Liogier, A.H. (1996). Flora de la Española 8: 1-588. Instituto Tecnológico de Santo Domingo.
  • Plunkett, G.M., Ranker, T.A., Sam, C. & Balick, M.J. (2022). Towards a checklist of the vascular flora of Vanuatu. Candollea 77: 105-118.
  • Pruski, J.F. (ed.) (2018). Flora Mesoamericana 5(2): 1-608. Universidad Nacional Autónoma de México, México, D.F.
  • Sarder, N.U. & Hassan, M.A. (eds.) (2018). Vascular flora of Chittagong and the Chittagong Hill Tracts 3: 1-978. Bangladesh National Herbarium, Dhaka.
  • Whistler, W.A. (2022). Flora of Samoa Flowering Plants: 1-930. National Tropical Botanicl Garden. Smithsonian National Museum of Natural History.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
De Silva, F. [Cat. no. 3277] Prenanthes napifolia K001118970 Unknown Type Material Yes
s.coll. [Cat. no. 3265] Bangladesh Prenanthes poosia K001129346 Unknown Type Material Yes
Hauee [1081] China Youngia runcinata K002111194 No
s.coll. [Cat. no. 3272] Chondrilla runcinata K001118957 Unknown Type Material Yes
De Silva, F. [Cat. no. 3272] Chondrilla runcinata K001118956 Unknown Type Material Yes
Wallich, N. [Cat. no. 3272] Nepal Chondrilla runcinata K001118955 Unknown Type Material Yes


  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 World Checklist of Vascular Plants.
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.
  • Kew Science Photographs

    • Copyright applied to individual images