Mediusella arenaria

Mediusella arenaria
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Sarcolaenaceae
Genus:	Mediusella
Species:	M. arenaria
Binomial name
	Mediusella arenaria; (F.Gérard) Hong-Wa[1][2]
Synonyms[1]
	Leptolaena arenaria (F.Gérard) Cavaco; Xerochlamys acuminata F.Gérard; Xerochlamys arenaria F.Gérard;

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.[2]

Distribution and habitat

Mediusella arenaria is known only from the northwestern regions of Diana, Betsiboka, Boeny, Melaky and Sofia.[1] Its habitat is dry forests from 50 metres (200 ft) to 200 m (700 ft) altitude. Only a few populations are within protected areas.[2]

Threats

Mediusella arenaria is in decline due to wildfires and the harvesting of its wood. The preliminary status of the species is Near Threatened.[2]

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References

"Mediusella arenaria". Catalogue of the Vascular Plants of Madagascar. Missouri Botanical Garden. Retrieved 18 Oct 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. Retrieved 18 Oct 2016.

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[Tropicos-1] "Mediusella arenaria". Catalogue of the Vascular Plants of Madagascar. Missouri Botanical Garden. Retrieved 18 Oct 2016 – via Tropicos.org.

[Adansonia-2] 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. Retrieved 18 Oct 2016.