Ontologia

Scadoxus nutans

(Friis & I.Bjørnstad) Friis & Nordal

VULR Monde (IUCN)
Pays · région · aire protégée · écorégion · biome

Pas d'interactions documentées pour cette espèce.

Liste rouge IUCN

VU · Vulnérablecritères B1ab(iii,v)Décroissante
Évaluation complète
Évaluation
2021 · v3.1
Altitude
10002300 m
Profondeur
m
État de la populationExpert

No quantitative population data are available for this species. It was noted as locally common to abundant at Mt Karkarha (Kaka) by J.W. Ash in 1976 (# 3393), quite frequent 37 km west of Bonga by the same collector in 1972 (# 1477) and common at Bonga by W.J.J.O. de Wilde and B.E.E. de Wilde-Duyfjes in 1965 (# 9321). However, although it can be common at a given spot, it is highly localised and scattered within the forests in which it occurs, and is often restricted to along streams and rivers or as epiphytes on mature groves of trees (Sebsebe Demissew pers. comm.). In herbaria, it is known from 18 collections. The current population trend is inferred to be decreasing due to habitat loss. The population is suspected to be severely fragmented. It occurs in increasingly small and isolated forest patches and, even within these forests, it is becoming fragmented due to management practices; it is suspected that this may now mean that more than 50% of the population occurs in in small, isolated subpopulations with little or no genetic exchange.

Menaces identifiées(3 menaces classées CMP-IUCN)

  • 2_1_2
    Small-holder farming
    UnknownMajority (50-90%)Ongoing
  • 2_1_3
    Agro-industry farming
    UnknownUnknownOngoing
  • 5_2_1
    Intentional use (species is the target)
    UnknownUnknownOngoing
Description complète des menacesExpert
The habitat for this species is highly threatened because of forest clearance and disturbance for agricultural expansion. Although some of these forests are nominally protected as National Forest Priority Areas (NFPAs), they are still being encroached and degraded. In some areas, individuals only survive as epiphytes or along stream margins because of shade-cropping of coffee plantations in the understorey, hence some subpopulations are declining even within existing forest patches. Because of its striking flowers, there is also a problem with it being picked locally by children (Sebsebe Demissew pers. obs.), although it is not clear whether this is a significant threat.

Habitats préférentiels (classification IUCN)

  • 1_9Forest - Subtropical/Tropical Moist Montane
Mesures de conservation recommandéesExpert
No specific conservation measures or management plan are in place for this species. It occurs within the Bonga, Shako, Sibu-Tole-Kobo, Yayu and Yeki National Forest Priority Areas as well as the the Kafa UNESCO-MAB Biosphere Reserve (UNEP-WCMC and IUCN 2020). However, many of the NFPAs are not well protected and are experiencing significant encroachment. It is known to occur in six ex situ plant collections (BGCI 2020).
Actions de conservation (3)Expert
  • 1_1Site/area protection
  • 1_2Resource & habitat protection
  • 4_3Awareness & communications
Stress écologiques (6)Expert
  • 1_1Ecosystem conversion
  • 1_1Ecosystem conversion
  • 1_2Ecosystem degradation
  • 1_2Ecosystem degradation
  • 2_1Species mortality
  • 2_2Species disturbance
Usage & commerce (1)Expert
  • 12Handicrafts, jewellery, etc.
    subsistance
Priorités de recherche (1)Expert
  • 1_2Population size, distribution & trends
Niche IUCN globaleExpert

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

EpiphyteForb or Herb
Références bibliographiques (7)Expert
  1. IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 08 December 2022).
  2. IUCN. 2021. The IUCN Red List of Threatened Species. Version 2021-3. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 09 December 2021).
  3. UNEP-WCMC and IUCN. 2020. Protected Planet: The World Database on Protected Areas (WDPA) / The Global Database on Protected Areas Management Effectiveness (GD-PAME)] [On-line]. Cambridge, UK: UNEP-WCMC and IUCN. Available at: <a href="https://www.protectedplanet.net/">https://www.protectedplanet.net/</a>.
  4. BGCI. 2020. Botanic Gardens Conservation International (BGCI) - Plant Search. Available at: <a href="https://tools.bgci.org/plant_search.php">https://tools.bgci.org/plant_search.php</a>.
  5. Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: V. Smith and L. Penev (eds) e-Infrastructures for data publishing in biodiversity science. <i>Zookeys</i> 150: 117–126.
  6. Friis, I., Demissew, S. and Breugel, P. V. 2010. Atlas of the potential vegetation of Ethiopia. <i>Det Kongelige Danske Videnskabernes Selskab</i> 58: 1-307.
  7. Nordal, I. 1997. Amaryllidaceae. In: Edwards, S., Sebsebe Demissew and Hedberg, I. (eds), <i>Flora of Ethiopia and Eritrea. Vol 6</i>, pp. 157-163. The National Herbarium, Addis Ababa University; Department of Systematic Botany, Uppsala University, Addis Ababa and Uppsala.
Évaluateurs & contributeurs (4)Expert
assessor
Darbyshire, I., Nemomissa, S., Sebsebe Demissew, Ermias Lulekal, Melaku Wondafrash, Lidet Mehari, Birhanu Belay, Wege Abebe, Debela Daba, Tesfanesh Feseha, Bezawit Genanaw, Shewangziwe Lemma, Hanny Lidetu, Efrata Mekbib, Befkadu Mewded & Samson Shimelse
evaluator
Beentje, H.J.
facilitators
Williams, E.
institutions
Royal Botanic Gardens, Kew, Addis Ababa University (National Herbarium of Ethiopia, Department of Plant Biology & Biodiversity Management), Ethiopian Biodiversity Institute & Gullele Botanic Garden
1 erratum publié après l'évaluation.

Darbyshire, I., Nemomissa, S., Sebsebe Demissew, Ermias Lulekal, Melaku Wondafrash, Lidet Mehari, Birhanu Belay, Wege Abebe, Debela Daba, Tesfanesh Feseha, Bezawit Genanaw, Shewangziwe Lemma, Hanny Lidetu, Efrata Mekbib, Befkadu Mewded & Samson Shimelse 2021. Scadoxus nutans (errata version published in 2022). The IUCN Red List of Threatened Species 2021: e.T147861752A223062346. Accessed on 05 May 2026.

Répartition mondiale

Aucune observation géoréférencée avec précision suffisante (<10 km) dans GBIF pour cette espèce.

Consulter sur les bases externes

Observations & statuts

Bibliographie

Note nomenclaturale & synonymesExpert

Note nomenclaturale

TAXREF v18 — INPN/MNHN

Synonymes (1)— redirigent vers cette page

  • Haemanthus nutansFriis & I.Bjørnstad

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