Psoralea cataracta

Psoralea cataracta
Conservation status
Critically endangered  (SANBI Red List) [1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Psoralea
Species:	P. cataracta
Binomial name
Psoralea cataracta C.H.Stirt.
Synonyms [2]
Hallia filiformis Harv.

Psoralea cataracta is a species of flowering plant in the family Fabaceae . It was declared extinct in 2008 in the Red List of South African Plants, with a single specimen collected from the Tulbagh Waterfall in 1804. It was rediscovered 200 years later by Brian Du Preez in November of 2019 in the Winterhoek Mountains near Tulbagh. ^[3] It is endemic to the Western Cape. ^[4] It is also known by the name waterfall fountainbush.

Description

Psoralea cataracta has small purple flowers dangling on long, thread-like flower stalks. ^[4]

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Distribution

Psoralea cataracta is found around the southern slopes of the Winterhoek Mountains in the Tulbagh Valley. ^[1]

Conservation status

As of the 2022 classification, Psoralea cataracta is classified as Critically Endangered due to its restricted extent of occurrence and area of occupancy of less than 8 km², the threat of alien invasive species such as Acacia mearnsii and species of Pinus, and the expansion of farmland in the Winterhoek Mountains. ^[1]

References

1. "SANBI Red List of South African Plants". South African National Biodiversity Institute Threatened Species Programme. Retrieved 2022-04-15.
2. "Psoralea cataracta". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 15 April 2022.
3. Preez, Brian du (2019-11-18). "Waterfall Fountainbush (Psoralea cataracta)". iNaturalist. Retrieved 2022-04-16.
4. "The rediscovery of the extinct Psoralea cataracta after 200 years". SANBI. 2020-01-09. Retrieved 2022-04-15.

External links

• Data related to Psoralea cataracta at Wikispecies