Ontologia

Eastern Cape Dwarf Cycad

Encephalartos caffer(Thunb.) Lehm.

NTLR Monde (IUCN)
Pays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Encephalartos caffer.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).

Liste rouge IUCN

NT · Quasi menacéecritères A2cd; B2ab(iii,v)Décroissante
Évaluation complète
Évaluation
2022 · v3.1
Altitude
300700 m
Profondeur
m
État de la populationExpert
This is a widespread species that is difficult to assess due to its low growth form and it is easily missed in surveys. The population seems to comprise of numerous isolated subpopulations. It is estimated that there may be 10,000 to 30,000 mature individuals in the wild.

Menaces identifiées(5 menaces classées CMP-IUCN)

  • 5_2_1
    Intentional use (species is the target)
    Negligible declinesMajority (50-90%)Ongoing
  • 2_1_2
    Small-holder farming
    UnknownMinority (<50%)Ongoing
  • 2_3_2
    Small-holder grazing, ranching or farming
    UnknownMajority (50-90%)Ongoing
  • 2_1_3
    Agro-industry farming
    Ongoing
  • 2_3_3
    Agro-industry grazing, ranching or farming
    Ongoing
Description complète des menacesExpert
The habitat of Encephalartos caffer is somewhat threatened as a result of clearing for agricultural purposes. This species has also been affected due to over-collecting for ornamental purposes.

Habitats préférentiels (classification IUCN)

  • 3_5Shrubland - Subtropical/Tropical Dry
  • 4_5Grassland - Subtropical/Tropical Dry
  • 6Rocky areas (eg. inland cliffs, mountain peaks)
Mesures de conservation recommandéesExpert
This species is listed in Appendix I of the CITES Appendices. Encephalartos caffer occurs in the Brooklands Cycad Reserve and in the Oribi Gorge Nature Reserve. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.
Actions de conservation (3)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
  • 4_3Awareness & communications
Stress écologiques (9)Expert
  • 1_1Ecosystem conversion
  • 1_1Ecosystem conversion
  • 1_1Ecosystem conversion
  • 1_1Ecosystem conversion
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 2_1Species mortality
Usage & commerce (2)Expert
  • 13Pets/display animals, horticulture
    internationalnational
  • 16Establishing ex-situ production *
    national
Priorités de recherche (4)Expert
  • 1_2Population size, distribution & trends
  • 1_3Life history & ecology
  • 1_6Actions
  • 3_1Population trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - small
Références bibliographiques (6)Expert
  1. 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).
  2. 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).
  3. Goode, D. 2001. <i>Cycads of Africa</i>. D & E Cycads of Africa, Gallo Manor, Johannesburg, South Africa.
  4. Scott-Shaw, C.R. 1999. <i>Rare and Threatened Plants of KwaZulu-Natal and Neighbouring Regions</i>. KwaZulu-Natal Nature Conservation Services, Pietermaritzburg.
  5. Goode, D. 1989. <i>Cycads of Africa</i>. Struik Winchester, Cape Town.
  6. Kemp, M. 1985. Focus on <i>Encephalartos caffer</i>. <i>Encephalartos</i> 3: 6 - 11.
Évaluateurs & contributeurs (3)Expert
assessor
Bösenberg, J.D.
contributor
Donaldson, J.S.
evaluator
Donaldson, J.S.
1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Encephalartos caffer (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T41929A243424121. Accessed on 05 May 2026.

Répartition mondiale (heatmap GBIF)Construction en cours

0 obs · 0 cellules
Construction par partitions temporelles GBIF0%

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km). Filtre qualité : précision coordonnée < 10 km. Coloration quantile (q50/70/90/99). Fond carte : OpenFreeMap · © OpenStreetMap.

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

Bibliographie

Note nomenclaturale & synonymesExpert

Note nomenclaturale

TAXREF v18 — INPN/MNHN

Synonymes (13)— redirigent vers cette page

  • Cycas caffraThunb.
  • Encephalartos afrus var. brachyphyllusde Vriese
  • Encephalartos afrus var. integrifoliusRegel
  • Encephalartos afrus var. unidentatusRegel
  • Encephalartos brachyphyllusLehm. & de Vriese
  • Encephalartos caffer var. brachyphyllus(Lehm. & de Vriese) Miq.
  • Encephalartos caffer var. caffer
  • Encephalartos caffer var. integrifoliusRegel
  • Encephalartos caffer var. unidentatusRegel
  • Encephalartos cycadisSweet
  • Encephalartos verschaffeltiiRegel
  • Zamia caffra(Thunb.) Thunb.
  • Zamia cycadisL.f.

Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).