Gunneraceae is a family of flowering plants, closely related to Myrothamnaceae, together forming the order Gunnerales. Such a family has been recognized by most taxonomists. Gunneraceae consists of the single genus Gunnera with 63 known species
The APG II system, of 2003, also recognizes this family and assigns it to the order Gunnerales in the clade core eudicots. The family then consisted of one or two genera, Gunnera and, optionally, Myrothamnus, the latter optionally segregated as a separate family, Myrothamnaceae. This represents a change from the APG system, of 1998, which firmly recognized two separate families, unplaced as to order. The APG III system and APG IV system recognizes the family Gunneraceae and places Myrothamnus in Myrothamnaceae; both families are placed in the order Gunnerales in the core eudicots.
Gunneraceae are known for its species with mammoth-sized leaves, but many species are much smaller and less impressive than the commonly cultivated 'giant rhubarb' Gunnera manicata, which is not related to the edible rhubarb.
- Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-06-26.
- Christenhusz, M. J. M.; Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. Magnolia Press. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
- Gunneraceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, information retrieval. Version: 21 May 2006. http://delta-intkey.com
- NCBI Taxonomy Browser
- links at CSDL
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