Gunnerales
Encyclopedia
Gunnerales is an order of flowering plants. In the APG III system
(2009) it contains two genera: Gunnera
and Myrothamnus
. These are assigned to two separate families (Gunneraceae
and Myrothamnaceae
, respectively). In the Cronquist system
(1981) Gunneraceae was placed in the Haloragales
and Myrothamnaceae in the Hamamelidales
.
APG III system
The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy...
(2009) it contains two genera: Gunnera
Gunnera
Gunnera is a genus of herbaceous flowering plants, some of them gigantic. The genus is the only member of the family Gunneraceae.The 40-50 species vary enormously in leaf size...
and Myrothamnus
Myrothamnus
Myrothamnus is the botanical name of a genus of flowering plants, consisting of two species of small xerophytic shrubs, in the southern parts of tropical Africa and in Madagascar....
. These are assigned to two separate families (Gunneraceae
Gunneraceae
Gunneraceae is the botanical name for a family of flowering plants. Such a family has been recognized by most taxonomists.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 consists of one or two genera, Gunnera...
and Myrothamnaceae
Myrothamnaceae
Myrothamnaceae is the botanical name for a family of flowering plants. Such a family has been recognized by most taxonomists, having been included in order Hamamelidales in the Cronquist system. The APG II system includes Myrothamnaceae in Gunneraceae but allows for the optional segregation of...
, respectively). In the Cronquist system
Cronquist system
The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in his texts An Integrated System of Classification of Flowering Plants and The Evolution and Classification of Flowering Plants .Cronquist's system places flowering plants into two...
(1981) Gunneraceae was placed in the Haloragales
Haloragales
Haloragales is a botanical name for an order of flowering plants. In the Cronquist system of classification, of 1981, it was placed in subclass Rosidae and had this circumscription:* order Haloragales...
and Myrothamnaceae in the Hamamelidales
Hamamelidales
Hamamelidales is the botanical name of an order of flowering plants. The Cronquist system included the order in subclass Hamamelidae with the circumscription:* order Hamamelidales*: family Hamamelidaceae*: family Cercidiphyllaceae...
.
External links
- Gunnerales in Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 7, May 2006.
- NCBI Taxonomy Browser