Mediusella arenaria

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Malvales

Familia: Sarcolaenaceae
Genus: Mediusella
Species: Mediusella arenaria

Mediusella arenaria is a tree in the family Sarcolaenaceae. It is endemic to Madagascar.

Description

Mediusella arenaria grows up to 12 metres (40 ft) tall with a trunk diameter of up to 30 cm (12 in). Its bright green leaves are ovate in shape and measure up to 7 cm (3 in) long. The tree's flowers typically occur in inflorescences of two flowers, each with white petals. The roundish fruits measure up to 1.2 cm (0.5 in) in diameter.[3]
Distribution and habitat

Mediusella arenaria is known only from the northwestern regions of Diana, Betsiboka, Boeny, Melaky and Sofia.[2] Its habitat is dry forests from 50 metres (200 ft) to 200 m (700 ft) altitude. Only a few populations are within protected areas.[3]
Threats

Mediusella arenaria is in decline due to wildfires and the harvesting of its wood. The preliminary status of the species is Near Threatened.[3]
References

Rabarimanarivo, M. (2020). "Mediusella arenaria". IUCN Red List of Threatened Species. 2020: e.T69222268A69235795. Retrieved 25 October 2022.
"Mediusella arenaria". Catalogue of the Vascular Plants of Madagascar. Missouri Botanical Garden. Retrieved 18 October 2016 – via Tropicos.org.
Hong-Wa, Cynthia (2009). "Endemic families of Madagascar. XII. Resurrection and taxonomic revision of the genera Mediusella (Cavaco) Hutchinson and Xerochlamys Baker (Sarcolaenaceae)" (PDF). Adansonia. 3. Paris: Publications Scientifiques du Muséum national d'Histoire naturelle. 31 (2): 316–318. doi:10.5252/a2009n2a7. S2CID 84912526. Retrieved 18 October 2016.