Spreading rosette plant, ? Gunnera spp. Large patches of this creeping runner are taking over the lawn. Any ideas for controlling its spread would be appreciated by the home owner.
Groundcover beneath secondary broadleaved forest
Two patches on river bank. No sign of seedlings at this site.
Abundant on eroding coastal mudstone cliffs
The Gunnerales are an order of flowering plants. In the APG III system (2009) it contains two genera: Gunnera (in family Gunneraceae) and Myrothamnus (in family Myrothamnaceae). In the Cronquist system (1981), the Gunneraceae were in the Haloragales and Myrothamnaceae in the Hamamelidales. DNA analysis was definitive, but the grouping of both families was a surprise, given their very dissimilar morphologies. In Cronquist's old system (1981, 1988), and Takhtajan's (1997), the Gunneraceae were in the Rosidae,...