Cycas simplicipinna
(Smitinand) K.D.Hill
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Cycas simplicipinna.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
NT · Quasi menacéecritères A2cd↘Décroissante- Évaluation
- 2023 · v3.1
- Altitude
- 600 – 1300 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
It appears to be an abundant species with the population size estimated to be larger than 10,000 mature individuals. There is evidence of good regeneration of the species in the area studied in Laos, confirmed by the presence of numerous young plants.
Menaces identifiées(2 menaces classées CMP-IUCN)
5_2_1Intentional use (species is the target)UnknownUnknownOngoing2_1_2Small-holder farmingOngoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
Continued land clearing may become a problem across the vast distributional range of this plant. As with some species within this genus, it is also susceptible to over collecting for ornamental purposes.
Habitats préférentiels (classification IUCN)
1_6Forest - Subtropical/Tropical Moist Lowland1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This species is listed in Appendix II of the CITES Appendices. Although its habitat is continually being reduced, many subpopulations remain across this range, with a number in conservation areas, and it is not under any immediate threat of extinction. Subpopulations are found in Xe Xap National Biodiversity Conservation Area in Laos and in the
Doi Inthanon, Phu Kradueng and the Doi Suthep-Pui National Parks in Thailand. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.
Doi Inthanon, Phu Kradueng and the Doi Suthep-Pui National Parks in Thailand. 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 (4)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_2Ecosystem degradation2_1Species mortality2_3_7Reduced reproductive success
Usage & commerce (1)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational
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).
- Averyanov, L.V., Nguyen, T.H., Sinh, K.N., Pham, T.V., Lamxay, V., Bounphanmy, S., Lorphengsy, S., Phan, L.K., Lanorsavanh, S. and Chantthavongsa, K. 2014. Gymnosperms of Laos. <i>Nordic Journal of Botany</i> 32(6): 765-805. doi: 10.1111/njb.00498.
- Hill K.D., Nguyen, H.T. and Loc, P.K. 2004. The Genus <i>Cycas</i> (Cycadaceae) in Vietnam. <i>The Botanical review</i> 70(2): 134-193.
- Whitelock, L.M. 2002. <i>The Cycads</i>. Timber Press, Portland, Oregon.
- Hill, K.D. and Yang, S.-L. 1999. The genus <i>Cycas</i> (Cycadaceae) in Thailand. <i>Brittonia</i> 51(1): 48-73.
- 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>.
- 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)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Bösenberg, J.D.
contributor
Nguyen, T.H.
evaluator
Donaldson, J.S.
Bösenberg, J.D. 2023. Cycas simplicipinna. The IUCN Red List of Threatened Species 2023: e.T42085A69157953. 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 (2)— redirigent vers cette page
- Cycas micholitzii subsp. simplicipinnaDyer
- Cycas micholitzii var. simplicipinnaSmitinand
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).