Angraecum curnowianum

(Rchb.f.) T.Durand & Schinz

Plante

VULR Monde (IUCN)

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

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Calcul du tissu écologique de Angraecum curnowianum.

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Liste rouge IUCN

VU · Vulnérablecritères B2ab(i,ii,iii,iv,v)↘Décroissante

Évaluation complète

Évaluation: 2025 · v3.1
Altitude: 50 – 1436 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

The population of Angraecum curnowianum is currently thought to be decreasing since the subpopulation in a mine footprint is considered as extirpated. The number of mature individuals of A. curnowianum is not known and cannot be estimated.

Menaces identifiées(3 menaces classées CMP-IUCN)

2_1_1
Shifting agriculture
Rapid DeclinesMinority (<50%)Ongoing
5_3_3
Unintentional effects: (subsistence/small scale) [harvest]
Rapid DeclinesMinority (<50%)Ongoing
3_2
Mining & quarrying
Very Rapid DeclinesMinority (<50%)Ongoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

The species experiences is threatened by mining activities, selective logging, timber harvesting for small-scale subsistence, and slash-and-burn practices (tavy).

Habitats préférentiels (classification IUCN)

1_6Forest - Subtropical/Tropical Moist Lowland

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

Five collections have been made in five protected areas, the Montagne d’Ambre National Park (one occurrence), the Marojejy-Anjanaharibe sud-Tasaratanana Forest Corridor (COMATSA) (one occurrence), Protected harmonious landscape of the Anjozorobe-Angavo complex (one occurrence) the Analamazaotra National Park (one occurrence), and the Torotorofotsy Protected Area (one occurrence). The species is included in Appendix II of CITES. It is recorded in three ex situ collections (BGCI 2020). Several individuals of this species have been brought to cultivation in the Ambatovy shade houses. Ex situ conservation is recommended (micro-propagation, seed banking). Further awareness building is recommended for local communities and national authorities.

Actions de conservation (8)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
1_2Resource & habitat protection
2_1Site/area management
3_2Species recovery
3_4_1Captive breeding/artificial propagation
3_4_2Genome resource bank
4_1Formal education
4_3Awareness & communications

Stress écologiques (6)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
1_1Ecosystem conversion
1_2Ecosystem degradation
1_2Ecosystem degradation
1_2Ecosystem degradation
2_2Species disturbance

Priorités de recherche (6)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_5Threats
1_6Actions
2_1Species Action/Recovery Plan
3_1Population trends
3_4Habitat trends

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

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

EpiphyteForb or Herb

Références bibliographiques (7)Sources scientifiques de l'évaluation IUCNExpert

IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 27 March 2025).
iNaturalist. 2020. Zavamaniry Gasy (Plants of Madagascar). Available at: <a href="https://www.inaturalist.org/projects/zavamaniry-gasy-plants-of-madagascar.">https://www.inaturalist.org/projects/zavamaniry-gasy-plants-of-madagascar.</a>.
BGCI Plant Search. 2020. Angraecum curnowianum. Available at: <a href="https://tools.bgci.org/plant_search.php?action=Find&lang=eng&ftrGenus=Angraecum&ftrSpecies=curnowianum&ftrEpithet=&ftrRedList=&ftrCWR=&ftrRedList1997=&x=0&y=0#results">https://tools.bgci.org/plant_search.php?action=Find&lang=eng&ftrGenus=Angraecum&ftrSpecies=curnowianum&ftrEpithet=&ftrRedList=&ftrCWR=&ftrRedList1997=&x=0&y=0#results</a>.
Madagascar Catalogue. 2020. Angraecum curnowianum (Rchb. f.) T. Durand & Schinz. St Louis, U.S.A. and Antananarivo, Madagascar . Missouri Botanical Garden. Available at: <a href="http://legacy.tropicos.org/Name/23502479?projectid=17">http://legacy.tropicos.org/Name/23502479?projectid=17</a>. (Accessed: 2020).
GeoCat. 2020. Geospatial conservation assessment tool (GeoCAT). Available at: <a href="http://geocat.kew.org">http://geocat.kew.org</a>.
IUCN Standards and Petitions Committee. 2019. Guidelines for Using the IUCN Red List Categories and Criteria. Available at: <a href="https://www.iucnredlist.org/resources/redlistguidelines">https://www.iucnredlist.org/resources/redlistguidelines</a>.
Cribb, P. and Hermans, J. 2009. Field Guide to the Orchids of Madagascar. Royal Botanic Gardens, Kew.

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

assessor

Ramandimbisoa, B., Andriamahefarivo, L., Rajaovelona, L.R., Stévart, T. & Droissart, V.

evaluator

Rakotonasolo, F., Razafindrahaja, V., Razanatsoa, J., Letsara, R. & Verlynde, S.

institutions

Missouri Botanical Garden & Royal Botanic Gardens, Kew

Ramandimbisoa, B., Andriamahefarivo, L., Rajaovelona, L.R., Stévart, T. & Droissart, V. 2025. Angraecum curnowianum. The IUCN Red List of Threatened Species 2025: e.T87612393A87612397. Accessed on 05 May 2026.