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Rhynchocalyx lawsonioides00.gif
by Matilda Smith
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Penaeaceae
Genus: Rhynchocalyx
R. lawsonioides
Binomial name
Rhynchocalyx lawsonioides

Rhynchocalyx lawsonioides is a small flowering tree, the sole species of the genus Rhynchocalyx. It had also previously been regarded as the only species in the monogeneric family Rhynchocalycaceae but is now included in the expanded Penaeaceae along with Olinia (formerly of the Oliniaceae) under the APG III system of classification.[2] Rhynchocalyx is endemic to the KwaZulu-Cape coastal forest mosaic ecoregion of the Natal and Eastern Cape provinces of South Africa.


  1. ^ Hilton-Taylor, C. et al. (1998). "Rhynchocalyx lawsonioides". IUCN Red List of Threatened Species. 1998: e.T30360A9540835. doi:10.2305/IUCN.UK.1998.RLTS.T30360A9540835.en. Retrieved 19 November 2021.
  2. ^ Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x

Schönenberger, J. and Conti, E., 2003. Molecular phylogeny and floral evolution of Penaeaceae, Oliniaceae, Rhynchocalycaceae, and Alzateaceae (Myrtales). American Journal of Botany 90: 293–309.