Gamopetalae is an artificial historical group used in the identification of plants based on Bentham and Hooker's classification system.

Use by Bentham and Hooker

George Bentham George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studi ...

and

Joseph Dalton Hooker Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For twenty years he served as director of t ...

published this as ''Genera plantarum ad exemplaria imprimis in herbariis kewensibus servata definita'' in three volumes between 1862 and 1883. As a natural system of classification, it does not reflect evolutionary relationships between plants but was a useful and popular system of classification based on a

dichotomous key In phylogenetics, a single-access key (also called dichotomous key, sequential key, analytical key, or pathway key) is an identification key where the sequence and structure of identification steps is fixed by the author of the key. At each point i ...

especially for the flowering plant groups (

angiosperms Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

). It was based on key characteristics enabling

taxonomic Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

students to quickly identify plant groups based only on physical characteristics. However, it is not a scientific group and is used for identification purposes only based on similar plant characteristics. They divided the

dicotyledon The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into which all the flowering plants (angiosperms) were formerly divided. The name refers to one of the typical characteristics of the group: namely, t ...

class into three subclasses; * Polypetalae (Dicotyledones polypetale) * Gamopetalae (Dicotyledones gamopetalae) * Monochlamydeae (Dicotyledones monochlamydeae) Under that system Gamopetalae is a Sub Class and comprises; *Flowers with distinct calyx and corolla. The

petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...

s are joined together in the corolla.Bentham and Hooker's Classification of plants
/ref>

Previous Sub Division

* Sub Class 1

Dicotyledons The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into which all the flowering plants (angiosperms) were formerly divided. The name refers to one of the typical characteristics of the group: namely, t ...

or Exogens

External links

*For an illustrated summary of Gamopetalae, se
botanic gardens information

References

{{Reflist Historically recognized angiosperm taxa

Use by Bentham and Hooker

Previous Sub Division

See also

External links

References