Genus Hexasepalum Bartl. ex DC.


Summary
Genus number:
21726
Last updated:
1 August 2025
Family:
Rubiaceae
Subfamily:
Rubioideae
Tribe:
Spermacoceae
Accession count:

7 (7  active, 6  available) in National Plant Germplasm System
Comments:
a proposal for rejection (nom. utique rej.) under Madrid ICN Art. 56 to preserve usage of Diodella Small has failed


Synonyms
Synonym(s)

No images

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References:
  1. Applequist, W. L. 2013. Report of the Committee for Spermatophyta: 65. Taxon 62:1323. Note: rejection proposal not recommended
  2. Brummitt, R. K. 1992. Vascular plant families and genera Note: = Diodia L.
  3. Cabaña Fader, A. A. et al. 2012. (2114–2115) Proposals to reject the names Hexasepalum and H. angustifolium (Rubiaceae). Taxon 61:1333-1334.
  4. Cabaña Fader, A. A. et al. 2016. Synopsis of Hexasepalum (Rubiaceae), the priority name for Diodella and a new species from Brazil. Syst. Bot. 41:408-422. www.aspt.net/systematic-botany
  5. Cabaña Fader, A. A. et al. 2019. Hexasepalum nordestinum (Rubiaceae): a new species from two disjoint and fragmented areas in Northeast Brazil, with a key to the American species of the genus . Syst. Bot. 44:203-209. www.aspt.net/systematic-botany
  6. Kirkbride, J. H., Jr. 2014. Hexasepalum teres (Rubiaceae), a new combination. J. Bot. Res. Inst. Texas 8:17-18.
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=21726. Accessed 11 May 2026.