''Rumex azoricus'' is a species of sorrel in the family

Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1789 ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

Distribution and habitat

''Rumex azoricus'' has been observed in five of the nine Azorean islands, specifically in São Miguel,

Terceira Terceira () is a volcanic island in the Azores archipelago, in the middle of the North Atlantic Ocean. It is one of the larger islands of the archipelago, with a population of 53,311 inhabitants in an area of approximately . It is the location ...

, São Jorge, Faial and Corvo. It lives in caldeiras, watercourses and natural meadows. In São Jorge it also appears in clearings of coastal forests of ''

Erica azorica ''Erica azorica'' (Portuguese: ''urze'') is a species of heath endemic to the Azores. Distribution ''Erica azorica'' is mainly distributed on coastal cliffs, lava flows, dry slopes, in natural forests, Australian cheesewood ''Pittosporum u ...

'' and ''

Myrica faya ''Myrica faya'' (firetree, faya or haya; syn. ''Morella faya'' (Ait.) Wilbur) is a species of ''Myrica'', native to Macaronesia (the Azores, Madeira, and the Canary Islands), and possibly also western coastal mainland Portugal. Description It i ...

''. File:Rumex azoricus (Habitus) 2.jpg, Typical habitat next to a watercourse File:Rumex azoricus (Leaf).jpg, Leaf

References

azoricus Endemic flora of the Azores Plants described in 1948 {{polygonaceae-stub