Venda Cycad

Encephalartos hirsutusP.J.H.Hurter

Plante

CRLR Monde (IUCN)

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Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Encephalartos hirsutus.

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

Liste rouge IUCN

CR · En danger critiquecritères A2ad; B2ab(v); C1+2a(i,ii); D↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 800 – 1000 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

The population has declined from an estimated 400-500 plants when it was first described. None of the plants of this species that were counted in repeat helicopter surveys have survived. The species occurs in rugged mountainous terrain so it is possible that some specimens might remain.

Menaces identifiées(1 menace classée CMP-IUCN)

5_2_1
Intentional use (species is the target)
Very Rapid DeclinesWhole (>90%)Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

This species has effectively been extirpated in the wild due to over-collecting for ornamental purposes.

Habitats préférentiels (classification IUCN)

2_1Savanna - Dry
3_5Shrubland - Subtropical/Tropical Dry
6Rocky areas (eg. inland cliffs, mountain peaks)

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix I of the CITES Appendices. Plants used to occur in the Makuya Nature Reserve. Identification of suitable sites for the formal protection/restoration/recovery of this species is needed.

Actions de conservation (4)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
2_1Site/area management
3_2Species recovery
4_3Awareness & communications

Stress écologiques (3)Stresses Classification — IUCNExpert

2_1Species mortality
2_3_6Skewed sex ratios
2_3_7Reduced reproductive success

Usage & commerce (2)Use & Trade — IUCNExpert

13Pets/display animals, horticulture
internationalnational
16Establishing ex-situ production *
national

Priorités de recherche (4)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_3Life history & ecology
1_4Harvest, use & livelihoods
3_1Population trends

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadTree - large

Références bibliographiques (4)Sources scientifiques de l'évaluation IUCNExpert

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).
Scientific Authority. 2016. Non-Detriment Findings. Government Gazette, Department of Environmental Affairs.
Hurter, J., Glen, H. and Claassen, I. 1997. Focus on Encephalartos hirsutus. Encephalartos 52: 4-7.
Hurter, P.J.H. and Glen, H.F. 1996. Encephalartos hirsutus (Zamiaceae): a newly described species from South Africa. South African Journal of Botany 62(1): 46-48.

Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Bösenberg, J.D.

contributor

Rodgers, S. & Donaldson, J.S.

evaluator

Donaldson, J.S.

Bösenberg, J.D. 2022. Encephalartos hirsutus. The IUCN Red List of Threatened Species 2022: e.T41889A51056445. Accessed on 05 May 2026.