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Taxon: Citrullus amarus Schrad.

Genus: Citrullus
Family: Cucurbitaceae
Tribe: Benincaseae
Nomen number: 468434
Place of publication: C. F. Ecklon & K. L. P. Zeyher, Enum. pl. afric. austral. 2:279. 1836
Link to protologue:
Name Verified on: 06-Aug-2014 by ARS Systematic Botanists.
Accessions: 157 (154 active, 132 available) in National Plant Germplasm System (Map)

Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

Common names:

Economic Importance:

  • Animal food: fodder (for pigs, as Citrullus lanatus var. citroides)
  • Human food: fruit (eaten only after cooking, only the rind used for jams, as Citrullus lanatus var. citroides) fruit (eaten only after cooking, only the rind used for jams, as Citrullus lanatus var. citroides)

Distributional Range:


    • SOUTHERN AFRICA: Botswana, Lesotho, Namibia, South Africa [Cape Province, KwaZulu-Natal, Free State, Northern Cape]

    Naturalized (natzd. elsewhere)


  1. Chomicki, G. & S. S. Renner. 2015. Watermelon origin solved with molecular phylogenetics including Linnaean material: another example of museonomics. New Phytol. 205:526-532.
  2. King, S. R. et al. 2010. Genetics, breeding and selection of rootstocks for Solanaceae and Cucurbitaceae. Sci. Hort. 127:106-111. Note: as Citrullus lanatus var. citroides
  3. Kousik, C. S. et al. 2018. Powdery mildew resistant rootstocks that impart tolerance to grafted susceptoble watermelon scion seedlings. Pl. Dis. 102:1290-1298.
  4. Levi, A. et al. 2013. High frequency oligonucleotides: targeting active gene (HFO-TAG) markers revealed wide genetic diversity among Citrullus spp. accessions useful for enhancing disease or pest resistance in watermelon cultivars. Genet. Resources Crop Evol. 60:427-440. Note: as Citrullus lanatus subsp. lanatus var. citroides (Bailey) Mansf. ex Greb.
  5. Paris, H. S. 2015. Origin and emergence of the sweet dessert watermelon, Citrullus lanatus. Ann. Bot. (Oxford) 116:133-148.
  6. Renner, S. S. et al. 2014. (0000) Proposal to conserve the name Momordica lanata (Citrullus lanatus) (watermelon, Cucurbitaceae), with a conserved type, against Citrullus battich. Taxon 63:941-942.
  7. Renner. S. S. et al. 2017. Chromosome numbers, Sudanese wild forms, and classification of the watermelon genus Citrullus, with 50 names allocated to seven biological species. Taxon 66:1393-1405.

Check other web resources for Citrullus amarus Schrad. :

  • SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=468434. Accessed 10 August 2020.