Claim · model-written summary
The species is assessed as Critically Endangered (CR B1ab(iii)+D) under IUCN 2012 criteria.
- Taxon
- Gymnosiphon fonensisGymnosiphon fonensist0
- Outcome
- évaluée comme étant en danger critique d'extinctione0
- Value
- CR B1ab(iii)+De0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier
Verbatim
e0“elle est donc évaluée comme étant en danger critique d'extinction (CR B1ab(iii)+D) selon la norme UICN 2012”
t0“Gymnosiphon fonensis Cheek, sp. nov.”
Title
Martin Cheek; Xander M. Van Der Burgt; Barthélemy Tchiengué; et al. Adansonia 2024. doi:10.5252/adansonia2024v46a10
Other claims from this paper (11)
- Observation A review covers the 50 new plant species published since 2009 in the Republic of Guinea.
- Observation The new species Gymnosiphon fonensis is formally described from the Pic de Fon Classified Forest, Simandou Range, Guinea.
- Observation The new species was previously confused with G. bekensis and resembles it in large flat outer tepal lobes, a perianth tube over 10 mm long and a (sub)sessile flower.
- Observation In G. fonensis the corolla tube length, (13-)14-18 mm, exceeds the corolla diameter (10-11 mm), unlike G. bekensis.
- Observation In G. fonensis the anthers are inserted about 4 mm deep in the corolla tube, unlike G. bekensis where they are inserted at the corolla mouth.
- Observation The rhizome of G. fonensis lacks scale leaves, whereas scale leaves are present in G. bekensis.
- Observation Gymnosiphon fonensis is the first known species of its genus and family in which secondary pollen presentation has been recorded.
- Observation The species is known from five sites, all threatened.
- Observation It is the most threatened Gymnosiphon species assessed in continental Africa.
- Observation The Boyboyba forest, Simandou, has the greatest diversity of Gymnosiphon and achlorophyllous mycotrophic species in West Africa.
- Method / resource An identification key is provided for the ten Gymnosiphon species now known from Africa and Madagascar.