Cycas bifida

(Dyer) K.D.Hill

Plante

VULR Monde (IUCN)

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

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Calcul du tissu écologique de Cycas bifida.

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Liste rouge IUCN

VU · Vulnérablecritères A2cd↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 100 – 300 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

This species is locally abundant but many subpopulations are now seriously depleted.

Menaces identifiées(3 menaces classées CMP-IUCN)

2_1_2
Small-holder farming
Ongoing
2_2_3
Scale Unknown/Unrecorded
Ongoing
5_2_1
Intentional use (species is the target)
Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

This species has been affected by habitat destruction due to forestry and agricultural activities. In addition, it has also been severely reduced in numbers as a result of overcollecting for ornamental purposes.

Habitats préférentiels (classification IUCN)

1_5Forest - Subtropical/Tropical Dry
6Rocky areas (eg. inland cliffs, mountain peaks)

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix II of the CITES Appendices. Subpopulations are protected in the Nonggang Nature Reserve in Longzhou, Guangxi province, China. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.

Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert

4_3Awareness & communications

Stress écologiques (5)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
1_1Ecosystem conversion
1_2Ecosystem degradation
1_2Ecosystem degradation
2_1Species mortality

Usage & commerce (1)Use & Trade — IUCNExpert

13Pets/display animals, horticulture
internationalnational

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

Indomalayan

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - small

Références bibliographiques (7)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).
Hill, K.D. 2008. The genus Cycas (Cycadaceae) in China. Telopea 12(1): 71-118.
Hill K.D., Nguyen, H.T. and Loc, P.K. 2004. The Genus Cycas (Cycadaceae) in Vietnam. The Botanical review 70(2): 134-193.
Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.
Hill, K.D. and Stevenson, D.W. 1998 - 2006. The Cycad Pages. Available at: <a href="http://plantnet.rbgsyd.nsw.gov.au/PlantNet/cycad/index.html">http://plantnet.rbgsyd.nsw.gov.au/PlantNet/cycad/index.html</a>.

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

assessor

Bösenberg, J.D.

contributor

Nguyen, T.H.

evaluator

Donaldson, J.S.

⚠ 1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Cycas bifida (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T42059A243414823. Accessed on 05 May 2026.