Round Island Screwpine
VerifiedPandanus vandermeerschii
Scientific Classification
Endangered
Very high risk of extinction
About This Species
Pandanus vandermeerschii is one of over 20 endemic screwpine (vacoa) species found only in Mauritius. It is particularly associated with Round Island, where it grows alongside the endemic palms and has dramatically recovered since the removal of introduced herbivores.
Mauritius is home to a remarkable diversity of Pandanus species, making it an important center for this genus.
Physical Characteristics
Screwpine characteristics:
- Distinctive prop roots providing stability
- Spiral arrangement of leaves (giving the name "screwpine")
- Stiff, spiny-edged leaves
- Forms dense clumps in suitable habitats
Habitat & Distribution
Natural Habitat
Found on Round Island in dry, open palm woodland. Grows in association with endemic palms including Latania loddigesii and Hyophorbe lagenicaulis.
Traditional & Medicinal Uses
Traditional Uses
Pandanus leaves are traditionally used for:
- Weaving - Baskets, mats, and bags
- Thatching - Roof covering
- Various craft items
Medicinal Uses
Some Pandanus species have traditional medicinal uses, though specific uses for this endemic species are limited due to its restricted range.
Ecological Role
Part of the unique Round Island ecosystem:
- Provides habitat structure
- Food source for endemic reptiles (skinks and geckos)
- Associated with recovery of Round Island following pest removal
Conservation
Threats
Historical threats:
- Overgrazing - Introduced rabbits and goats severely damaged vegetation
- Small population - Limited to tiny offshore island
Current threats are reduced due to successful conservation efforts.
Conservation Efforts
Recovery success:
- Removal of rabbits and goats from Round Island
- Dramatic vegetation recovery since 1986
- Round Island designated as a nature reserve
- Regular monitoring of population
One of the conservation success stories of Mauritius.
Sources & References
Wikipedia, Round Island conservation records, IUCN Red List
