Genus Tweedia Hook. & Arn.


Summary
Genus number:
12503
Last updated:
1 August 2025
Family:
Apocynaceae
Subfamily:
Asclepiadoideae
Tribe:
Asclepiadeae
Subtribe:
Oxypetalinae
Accession count:

0 (0  active, 0  available) in National Plant Germplasm System
Comments:
a proposal for conservation (nom. cons.) with a conserved type (Madrid ICN Art. 14.9) has failed


Synonyms
Synonym(s) Possible synonym(s)

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References:
  1. Calviño, C. I. et al. 2014. (2333) Proposal to conserve the name Tweedia (Apocynaceae: Asclepiadoideae) with a conserved type. Taxon 63:1175.
  2. Calviño, C. I. et al. 2014. Is the southern South American genus Tweedia (Apocynaceae: Asclepiadoideae) monophyletic? Molecular phylogenies, distribution and taxonomy. Taxon 63:1265-1274.
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=12503. Accessed 14 May 2026.