Dioscorea buchananii
Benth.
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Dioscorea buchananii.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
LC · Préoccupation mineure→Stable- Évaluation
- 2017 · v3.1
- Altitude
- 0 – 1600 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
The population size for this species is not known.
Description complète des menacesTexte détaillé évaluation IUCNExpert
There are no known overall threats to this species (Wilkin 2009). The subpopulation of D. buchananii subsp. undatiloba in lowland KwaZulu-Natal is conceivably extinct (Wilkin and Muasya 2015), but this is only a small portion of the species' range as a whole.
Habitats préférentiels (classification IUCN)
1_5Forest - Subtropical/Tropical Dry1_6Forest - Subtropical/Tropical Moist Lowland
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
There are no specific conservation measure for this species, but it is widely distributed and has been found in protected areas.
Priorités de recherche (1)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Afrotropical
Systèmes (terrestre/eau douce/marin)
Terrestrial
Formes de croissance
GeophyteVines
Références bibliographiques (6)Sources scientifiques de l'évaluation IUCNExpert
- BGCI. 2017. PlantSearch. Botanic Gardens Conservation International, London. Available at: <a href="https://www.bgci.org/plant_search.php">https://www.bgci.org/plant_search.php</a>.
- IUCN. 2017. The IUCN Red List of Threatened Species. Version 2017-3. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 5 December 2017).
- Govaerts, R., Wilkin, P., Raz, L. and Téllez-Valdés, O. 2016. World Checklist of Dioscoreaceae. Facilitated by the Royal Botanic Gardens, Kew. Available at: <a href="http://apps.kew.org/wcsp/">http://apps.kew.org/wcsp/</a>. (Accessed: 21 November 2016).
- Wilkin, P. and Muasya, A.M. 2015. Clarifying the <i>Dioscorea buchananii</i> Benth. species complex: a new potentially extinct subspecies for South Africa. <i>PhytoKeys</i> 48: 51-72. doi: 10.3897/phytokeys.48.6806.
- Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: V. Smith and L. Penev (eds) e-Infrastructures for data publishing in biodiversity science. <i>Zookeys</i> 150: 117–126.
- Wilkin, P. 2009. Dioscoreaceae. In: J.R. Timberlake and E.S. Martins (eds), <i>Flora Zambesiaca Volume 12(2)</i>, pp. 109-140. Kew Publishing, London.
Évaluateurs & contributeurs (4)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Hills, R. & Wilkin, P.
evaluator
von Staden, L.
facilitators
Bachman, S.
institutions
Royal Botanic Gardens, Kew
Hills, R. & Wilkin, P. 2017. Dioscorea buchananii. The IUCN Red List of Threatened Species 2017: e.T100889946A100889948. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s