Winterberg Cycad
Encephalartos cycadifolius(Jacq.) Lehm.
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Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Encephalartos cycadifolius.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
LC · Préoccupation mineure→Stable- Évaluation
- 2022 · v3.1
- Altitude
- 1200 – 1800 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
There are at least six subpopulations and all of these are healthy and viable. Donaldson and co-workers counted/estimated that one subpopulation comprised more than 20,000 mature plants based on sub-sampling.
Menaces identifiées(2 menaces classées CMP-IUCN)
8_2_1Unspecified speciesNegligible declinesMinority (<50%)Ongoing7_1_1Increase in fire frequency/intensitySlow, Significant DeclinesMajority (50-90%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Baboons and porcupines can sometimes damage cones and newly emerged leaves of this species. Too frequent fires may have an effect on seedlings and juveniles.
Habitats préférentiels (classification IUCN)
4_4Grassland - Temperate
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix I of the CITES Appendices. Identification of suitable sites for the formal protection of this species is needed. Long-term monitoring of subpopulations will support the conservation of this species.
Actions de conservation (2)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection2_1Site/area management
Stress écologiques (3)Stresses Classification — IUCNExpert
1_2Ecosystem degradation2_2Species disturbance2_3_8Other
Usage & commerce (2)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational16Establishing ex-situ production *national
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
CycadShrub - small
Références bibliographiques (6)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 07 December 2023).
- IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 21 July 2022).
- Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
- Grobbelaar, N. 2002. <i>CYCADS - with special reference to the southern African species</i>. Privately published by Nat Grobbelaar, Pretoria, South Africa.
- Donaldson, J.S. 1995. Understanding cycad life histories- an essential basis for conservation. In: Donaldson, J.S. (ed.), <i>Cycad Conservation in South Africa- Issues, actions and priorities</i>, pp. 8-13. Cycad Society of South Africa.
- Kemp, M. 1991. Focus on <i>Encephalartos cycadifolius</i>. <i>Encephalartos</i> 26: 3-7.
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Donaldson, J.S.
evaluator
Donaldson, J.S.
⚠ 1 erratum publié après l'évaluation.
Bösenberg, J.D. 2022. Encephalartos cycadifolius (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41942A243425527. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
Consulter sur les bases externes
Observations & statuts
Cartographie
Note nomenclaturale & synonymesDétails taxonomiques + synonymes CoLExpert
Note nomenclaturale
TAXREF v18 — INPN/MNHNSynonymes (6)— redirigent vers cette page
- Encephalartos cycadifolius var. cycadifolius
- Encephalartos cycadifolius var. glaberRegel
- Encephalartos eximiusI.Verd.
- Encephalartos vangeertiiVan Geert
- Zamia cycadifoliaJacq.
- Zamia elongata(Miq.) Heynh.
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).