Gunnerales is an order of
flowering plants. In the
APG II system (2003) it contains two genera:
Gunnera and
Myrothamnus. These may both be assigned to the same family (
Gunneraceae) or to two separate families (Gunneraceae and
Myrothamnaceae, respectively). In the
Cronquist system (1981) Gunneraceae was placed in the
Haloragales and Myrothamnaceae in the
Hamamelidales.
Although Gunnerales were included in the core eudicots in APG I and II (1998, 2003), the APWebsite excludes them because of their largely plesiomorphic floral morphology.
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