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Pelargonium appendiculatum

Assessor: Sarah Schumann

Sensitive in 2010
No
Family
Geraniaceae
Reason for the sensitivity status
This species occurs in small and remote populations that is not thought to be easily accessible for collection. Several others of the genus are known to be targeted, exploited and illegally removed from the wild, causing population decline. Evidence shows that the pelargonium genus is in demand in international horticultural trade. Although exploitation is thought to be currently unlikely, the genus is known to be targeted and with a vulnerable population size experiencing existing threat, recruitment and recovery may be poor. Releasing data on this species could exacerbate threat and vulnerability.
This species is either similar to another sensitive species or belongs to a group containing sensitive species, and is extremely rare in the wild. The localities of wild populations need to be protected to avoid loss to exploitation, which, due to its rarity, could drive the species to extinction within a very short time.
Exploitation extent
Uncertain - No data exists yet showing that this species is exploited in the wild, however it has one or more relatives or look-alike species (found in South Africa or globally) that are known to be utilised. This species has a similar life form or other relevant traits to its exploited relative(s), making it highly likely that it would be exploited for the same purposes.
Justification and references

According to the SANBI Red List Assessment, this species is Endangered as it is range restricted and threatened with ongoing habitat loss and degradation (Helme & Raimondo, 2007). This species occurs in small and remote populations that is not thought to be easily accessible for collection (van der Walt, R personal communication, 12 August 2022). Part of seeds exchange program of the International Geraniaceae group (van der Walt, R personal communication, 12 August 2022). This genus is in demand and of popular interest in international horticultural trade, as indicated by several online marketplace, e-commerce and auction sites. Plants of this genus were among those targeted and/or confiscated during recent criminal prosecutions of illegal plant collecting (Gamieldien SAPS, 2021). There have been several recorded confiscations of species of the Pelargonium genus from illegal collection (Confiscation List (2018-2021) provided by Cape Nature, SANParks Sendelingsdrift Botanic Garden, SANBI Kirstenbosch Botanical Garden and Karoo Desert Botanic Garden).

Helme, N.A. & Raimondo, D. 2007. Pelargonium appendiculatum (L.f.) Willd. National Assessment: Red List of South African Plants version 2020.1. 

Population vulnerability
Population is vulnerable: size is <= 2500 mature individuals OR the number of known subpopulations is <= 5 OR range is <= 100km2 OR species at risk of localised extinctions
Justification and references

This taxon has an extent of occurrence of 65 km² (Helme & Raimondo, 2007).

Helme, N.A. & Raimondo, D. 2007. Pelargonium appendiculatum (L.f.) Willd. National Assessment: Red List of South African Plants version 2020.1. 

Targeted demographics
Unknown.
Regeneration potential
This species has a slow population growth rate, or the growth rate varies depending on habitat, and there is a poor chance the wild populations will recover from exploitation OR a collector might feasibly harvest the entire extant population removing the chance of subsequent recruitment.
Justification and references

Range restriction and endemism with existing threat makes this species vulnerable to population loss. Were exploitation to occur, recruitment and recovery may be poor.

Reference file
Pelargonium appendiculatum Threatened Species Programme _ SANBI Red List of South African Plants.pdf639.43 KB
Pelargonium _ eBay.pdf561.91 KB
Pelargonium African Succulents.pdf408.87 KB
Pelargonium Aucfan.pdf854.01 KB