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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: Xyloolaena
Species: X. humbertii – X. perrieri – X. richardii – X. sambiranensis – X. speciosa
Source(s) of checklist:
Name

Xyloolaena Baill., Dict. Bot. 2: 2 (1879).
Type species: Xyloolaena richardii (Baill.) Baill., Bull. Mens. Soc. Linn. Paris 1: 412 (1884)

Synonyms

Basionym
Scleroolaena Baill., Adansonia 10: 236 (1872), nom. illeg.

References

Baillon, H.E. (1879) Dictionnaire de Botanique, 2: 2.
Govaerts, R. et al. 2014. Xyloolaena in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2014 Dec. 3. Reference page.
Lowry II, P.P., Schatz, G.E. & Wolf, A.-E. (2002) Endemic families of Madagascar. VIII. A synoptic revision of Xyloolaena Baill.. Adansonia, III, 24: 7–19.
Tropicos.org 2014. Xyloolaena. Missouri Botanical Garden. Published online. Accessed: 3 Dec. 2014.
International Plant Names Index. 2014. Xyloolaena. Published online. Accessed: Dec. 3 2014.

Xyloolaena is a genus within Sarcolaenaceae family.

Within Sarcolaenaceae, Xyloolaena appears to be most closely related to Sarcolaena and Leptolaena.
Species

The genus has five species of shrubs and trees, all endemic to Madagascar.

Xyloolaena humbertii Cavaco 1950 is a small tree 6–8 m tall known from only a single collection made in transitional vegetation between sclerophyllous forest and dry bush (800–900 m elevation). It was collected from the locality where now Andohalela National Park exists (Toliara province).
Xyloolaena perrieri F.Gérard 1919 is a tree c. 4–10 m tall that has been recorded at scattered localities from near Morondava, Ankarafantsika National Park and the Lokia river basin east of Ambilobe within Madagascar's dry bioclimatic region (Antsiranana, Mahajanga and Toliara provinces). Vernacular name – Zahana.
Xyloolaena richardii (Baill.) Baill. (1872) 1884 is a tree c. 4–20 m tall, ranging from sea level to over 1,500 m elevation in areas with a humid bioclimate in northeastern Madagascar, with one population recorded in the far southeast (Antsiranana, Toamasina and Toliara provinces). Vernacular names – Fakody, Fombaotoafo, Pesoala, Takodibe, Tamboro, Tsikody zahana, Vahitoambody, Voakoropetaka, Voantiambody, Voantsatroka.
Xyloolaena sambiranensis Lowry & G.E.Schatz 2002 is a shrub to tree 3–12 m tall distributed in the Sambirano region (subhumid bioclimate) from south of Maromandia north to the Ambanja area (Antsiranana and Mahajanga provinces). Vernacular names – Sofiakomba, Sofiankomba, Sofikomba, Sofinakomba, Sofinkomba.
Xyloolaena speciosa Lowry & G.E.Schatz 2002 is a large shrub or tree to 20 m tall. It is narrowly distributed in an area with a dry to subhumid bioclimate extending from the Ambato Peninsula and the lower Ifasy river valley north to near Ambilobe (Antsiranana province). Vernacular name – Marabanty.

References

Lowry II P.P., Schatz G.E. & Wolf A.-E.. 2000. Endemic families of Madagascar. VIII. A synoptic revision of Xyloolaena Baill. (Sarcolaenaceae). Adansonia, sér. 3 (2002), 24 (1): 7–19. [1]

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