Genus Haworthia Duval


Summary
Genus number:
5433
Last updated:
1 August 2025
Family:
Asphodelaceae
Subfamily:
Asphodeloideae
Accession count:

113 (1  active, 0  available) in National Plant Germplasm System
Comments:
conserved (nom. cons.) against the heterotypic synonym (Madrid ICN Art. 14.4 & App. III) Catevala Medik., nom. rej.


Synonyms
Synonym(s) Possible synonym(s)

Images (1 total. Click on image for more.)
Embryo drawing

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References:
  1. Daru, B. H. et al. 2013. Molecular and morphological analysis of subfamily Alooideae (Asphodelaceae) and the inclusion of Chortolirion in Aloe. Taxon 62:62-76.
  2. Manning, J. et al. 2014. A molecular phylogeny and generic classification of Asphodelaceae subfamily Alooideae: a final resolution of the prickly issue of polyphyly in the alooids? Syst. Bot. 39:55-74. DOI: 10.1600/036364414X678044. www.aspt.net/systematic-botany
  3. Rowley, G. D. 2013. Generic concepts in the Alooideae Part 3 - the phylogenetic story. Alsterworthia Int. 13(2):24-26.
  4. Rowley, G. D. 2013. Generic concepts in the Alooideae. Part 4 Haworthiopsis and Tulista: old wine in new bottles. Alsterworthia Int. 13(3):6-13.
  5. Treutlein, J. et al. 2003. Phylogenetic relationships in Asphodelaceae (subfamily Alooideae) inferred from chloroplast DNA sequences (rbcL, matK) and from genomic fingerprinting (ISSR). Taxon 52:193-207.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=5433. Accessed 10 May 2026.