phytochorion
Sign in to saveAlso known as floristic region, vegetation tension zone, floral, floristic, phytogeographic, zones, regions, kingdoms
In phytogeography, a phytochorion is a geographic area with a relatively uniform composition of plant species. Adjacent phytochoria do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both regions overlap, called a vegetation tension zone, or ecotone.
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57 sectionsContents
- Explanation
- Early schemes
- Good (1947) regionalization
- Takhtajan (1978, 1986) regionalization
- [[Holarctic kingdom]]
- I. [[Circumboreal region]]
- II. [[Eastern Asiatic region]]
- III. [[North American Atlantic region]]
- IV. [[Rocky Mountain floristic region|Rocky Mountain region]]
- V. [[Macaronesia|Macaronesian region]]
- VI. [[Mediterranean region]]
- VII. [[Saharo-Arabian region]]
- VIII. [[Irano-Turanian region]]
- 8A. Western Asiatic subregion
- 8B. Central Asiatic subregion
- IX. [[Madrean region]]
- [[Paleotropical kingdom]]
- X. [[Guineo-Congolian region]]
- XI. [[Usambara-Zululand region]]
- XII. [[Sudano-Zambezian region]]
- 12A. Zambezian subregion
- 12B. Sahelo–Sudanian subregion
- 12C. Eritreo–Arabian subregion
- 12D. Omano-Sindian subregion
- XIII. [[Karoo-Namib region]]
- XIV. [[St. Helena and Ascension region]]
- XV. [[Madagascan region]]
- XVI. [[Indian region]]
- XVII. [[Indochinese region]]
- XVIII. [[Malesia|Malesian region]]
- 18A. Malesian subregion
- 18B. Papuan subregion
- XIX. [[Fijian region]]
- XX. [[Polynesian region]]
- XXI. [[Hawaiian Islands|Hawaiian region]]
- XXII. [[New Caledonia|Neocaledonian region]]
- [[Neotropic|Neotropical kingdom]]
- XXIII. Caribbean region
- XXIV. [[Region of the Guayana Highlands]]
- XXV. [[Amazon region]]
- XXVI. [[Brazilian region]]
- XXVII. Andean region
- [[South African kingdom]]
- XXVIII. [[Cape floristic region|Cape region]]
- [[Australian kingdom]]
- XXIX. [[Northeast Australian region]]
- XXX. [[Southwest Australia|Southwest Australian region]]
- XXXI. Central Australian or [[Eremaean province|Eremaean region]]
- [[Antarctic Floristic Kingdom|Antarctic kingdom]]
- XXXII. [[Juan Fernández Islands|Fernandezian region]]
- XXXIII. [[Chile-Patagonian region]]
- XXXIV. [[Region of the South Subantarctic Islands]]
- XXXV. [[Neozeylandic region]]
- Regionalization according to Wolfgang Frey and Rainer Lösch (2004, 2010)
- Liu ''et al.'' (2023, 2024) Regionalization
- References
- Bibliography
In phytogeography, a phytochorion is a geographic area with a relatively uniform composition of plant species. Adjacent phytochoria do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both regions overlap, called a vegetation tension zone, or ecotone.
In traditional schemes, areas in phytogeography are classified hierarchically, according to the presence of endemic families, genera or species, e.g., in floral (or floristic, phytogeographic) zones and regions, or also in kingdoms, regions and provinces, sometimes including the categories empire and domain. However, some authors prefer not to rank areas, referring to them simply as "areas", "regions" (in a non hierarchical sense) or "phytochoria".