''Decaryochloa'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of Madagascan

bamboo Bamboos are a diverse group of evergreen perennial flowering plants making up the subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family. The origin of the word "bamboo" is uncertain, bu ...

in the

grass family Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and ...

. There is only one known species, ''Decaryochloa diadelpha'', found only in

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

.Soejatmi Dransfield. 1997. Notes on the Genus ''Decaryochloa'' (Gramineae-Bambusoideae) from Madagascar. Kew Bulletin 52 (3):593-600
/ref>

Description

''Decaryochloa'' is a bamboo

liana A liana is a long- stemmed, woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. The word ''liana'' does not refer to a ta ...

. It flowers in April.

Range and habitat

''Decaryochloa'' is found only in Alaotra Mangoro region of eastern Madagascar. Its estimated

extent of occurrence Extent may refer to: Computing * Extent (file systems), a contiguous region of computer storage medium reserved for a file * Extent File System, a discontinued file system implementation named after the contiguous region * Extent, a chunk of st ...

(EOO) is 856 km² and its estimated

area of occupancy Area is the quantity that expresses the extent of a region on the plane or on a curved surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open s ...

(AOO) is 20 km². It is native to humid lowland and lower montane forest between 500 and 1,072 meters elevation. Five populations of the species are known, and there are 10 records of the species. It is threatened with habitat loss across its small range from deforestation for timber, shifting cultivation, conversion of land for agriculture, and mining. Its conservation status is assessed as

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...

References

{{Taxonbar, from1=Q3752916, from2=Q11916747 Bambusoideae Endemic flora of Madagascar Bambusoideae genera Monotypic Poaceae genera Flora of the Madagascar lowland forests Flora of the Madagascar subhumid forests Taxa named by Aimée Antoinette Camus