Ontologia
Cycas guizhouensis

Cycas guizhouensis

K.M.Lan & R.F.Zou

VULR Monde (IUCN)
1 photo · Licences CC (Wikimedia Commons / iNaturalist)Click pour agrandir
Pays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Cycas guizhouensis.

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

Liste rouge IUCN

VU · Vulnérablecritères A4acdDécroissante
Évaluation complète
Évaluation
2022 · v3.1
Altitude
4001300 m
Profondeur
m
État de la populationExpert
Recent studies indicate that this species is moderately abundant over a considerable area.

Menaces identifiées(2 menaces classées CMP-IUCN)

  • 2_1_2
    Small-holder farming
    UnknownUnknownOngoing
  • 5_2_1
    Intentional use (species is the target)
    Ongoing
Description complète des menacesExpert
Habitat destruction within the distribution range of this species has been extensive. The species is also threatened by over collection for food, medicine and use as an ornamental plant. During China's Cultural Revolution this cycad was eaten as a famine food.

Habitats préférentiels (classification IUCN)

  • 1_6Forest - Subtropical/Tropical Moist Lowland
  • 6Rocky areas (eg. inland cliffs, mountain peaks)
  • 1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesExpert
This species is listed in Appendix II of the CITES Appendices. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species. Identification of suitable sites for the conservation of this species is needed.
Actions de conservation (2)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
Stress écologiques (3)Expert
  • 1_1Ecosystem conversion
  • 2_1Species mortality
  • 2_1Species mortality
Usage & commerce (3)Expert
  • 1Food - human
    subsistance
  • 13Pets/display animals, horticulture
    internationalnational
  • 3Medicine - human & veterinary
    subsistance
Priorités de recherche (2)Expert
  • 1_2Population size, distribution & trends
  • 1_5Threats
Niche IUCN globaleExpert

Royaumes biogéographiques

Indomalayan

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

CycadShrub - large
Références bibliographiques (7)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. Feng, X., Liu, J. and Gong, X. 2016. Species delimitation of the <i>Cycas segmentifida</i> complex (Cycadaceae) resolved by phylogenetic and distance analyses of molecular data. <i>Frontiers in Plant Science</i> 7(134): 1-11.
  4. Hill, K.D. 2008. The genus <i>Cycas</i> (Cycadaceae) in China. <i>Telopea</i> 12(1): 71-118.
  5. Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
  6. 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>.
  7. Wang, F., Liang H., Tanqing, C. and Dingyue, W. (eds ). 1996. <i>Cycads in China</i>. Guangdong Science and Technology Press, Guangdong, China.
Évaluateurs & contributeurs (3)Expert
assessor
Bösenberg, J.D.
contributor
Hill, K.D.
evaluator
Donaldson, J.S.
1 erratum publié après l'évaluation.

Bösenberg, J.D. 2022. Cycas guizhouensis (errata version published in 2023). The IUCN Red List of Threatened Species 2022: e.T42076A243416977. 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

Cartographie

Bibliographie

Note nomenclaturale & synonymesExpert

Note nomenclaturale

TAXREF v18 — INPN/MNHN

Synonymes (1)— redirigent vers cette page

  • Cycas longlinensisHung T.Chang & Y.C.Zhong

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