Cryptocoryne undulata
Wendt
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Cryptocoryne undulata.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(iii)+2ab(iii)?Inconnue- Évaluation
- 2023 · v3.1
- Altitude
- 450 – 520 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
There is no information available on the population size or trend in this species.
Menaces identifiées(6 menaces classées CMP-IUCN)
5_2_1Intentional use (species is the target)UnknownWhole (>90%)Ongoing9_3_1Nutrient loadsSlow, Significant DeclinesWhole (>90%)Ongoing9_3_2Soil erosion, sedimentationSlow, Significant DeclinesWhole (>90%)Ongoing1_1Housing & urban areasVery Rapid DeclinesMajority (50-90%)Ongoing2_1_2Small-holder farmingVery Rapid DeclinesMajority (50-90%)Ongoing7_2_10Large damsVery Rapid DeclinesMajority (50-90%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
All the sites where this species has been recorded are heavily modified and affected by human activity. Some subpopulations have also been affected by hydrological modification of the Mahaweli Ganga system. The species may be under severe threat from commercial collection.
Habitats préférentiels (classification IUCN)
5_1Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)★
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
There are no specific conservation actions in place for this species and it is not known to occur in any protected areas. It was classed as CR (B1ab(i,ii,iii)) by Yakandawala (2012).
There is an urgent need to derive an up to date assessment of the conservation condition of all known subpopulations, combined with surveys to locate additional subpopulations.
There is an urgent need to derive an up to date assessment of the conservation condition of all known subpopulations, combined with surveys to locate additional subpopulations.
Actions de conservation (4)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection1_2Resource & habitat protection3_1_1Harvest management3_1_2Trade management
Stress écologiques (14)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality2_3_7Reduced reproductive success
Usage & commerce (2)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational16Establishing ex-situ production *internationalnational
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_5Threats3_1Population trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Indomalayan
Systèmes (terrestre/eau douce/marin)
Freshwater (=Inland waters)
Formes de croissance
Forb or HerbHydrophyte
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).
- Kasselmann, C. 2020. <i>Aquarium Plants</i>. Aquarium Plants Publisher, Teltow.
- Yakandawala, D. 2012. Present Status of Fresh Water Aquatic Flora in Sri Lanka. In: D.K. Weerakoon and S. Wijesundara (eds), <i>The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora</i>, pp. 186-196. Ministry of Environment, Colombo.
- Wilstermann-Hildebrand, M. 2000-2021. Wasserkelche - Gattung <i>Cryptocoryne</i>. Available at: <a href="http://www.heimbiotop.de/cryptocoryne.html#cryptoundulata">http://www.heimbiotop.de/cryptocoryne.html#cryptoundulata</a>.
- Jacobsen, N. 1987. <i>Cryptocoryne</i>. In: M.D. Dassanyake and F.R. Forsberg (eds), <i>A revised Handbook to the Flora of Ceylon</i>, pp. 85-99.
- Graaf, A. de and Arends, J.C. 1986. The occurrence of <i>Cryptocoryne</i> and <i>Lagenandra</i> (Araceae) on Sri Lanka. <i>Nordic Journal of Botany</i> 6: 757-764.
- Jacobsen, N. 1976. Notes on <i>Cryptocoryne</i> of Sri Lanka (Ceylon). <i>Botaniska Notiser</i> 129: 179-190.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Lansdown, R.V.
evaluator
Yakandawala, D.M.D. & Jacobsen, N.
Lansdown, R.V. 2023. Cryptocoryne undulata. The IUCN Red List of Threatened Species 2023: e.T175657251A175657343. 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 (3)— redirigent vers cette page
- Cryptocoryne axelrodiiRataj
- Cryptocoryne willisiiEngl. ex Baum
- Cryptocoryne willisiihort. ex A.Chev.
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).