Gunnerales

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 the two 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, and the Myrothamnaceae were in the Hamamelids. In modern classification systems such as APGIII, this order was the first to derive from the core eudicots.

单词	Gunnerales
释义	Gunnerales 英语百科 Gunnerales 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 the two 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, and the Myrothamnaceae were in the Hamamelids. In modern classification systems such as APGIII, this order was the first to derive from the core eudicots.
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