''Hanguana'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s with a dozen known species. It is the only genus in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Hanguanaceae. The

APG IV system The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was published ...

of 2016 recognizes such a family and places it in the order

Commelinales Commelinales is an order of flowering plants. It comprises five families: Commelinaceae, Haemodoraceae, Hanguanaceae, Philydraceae, and Pontederiaceae. All the families combined contain over 885 species in about 70 genera; the majority of sp ...

, in the clade

commelinids In plant taxonomy, commelinids (originally commelinoids) (plural, not capitalised) is a clade of flowering plants within the monocots, distinguished by having cell walls containing ferulic acid. The commelinids are the only clade that the APG I ...

, in the

monocots Monocotyledons (), commonly referred to as monocots, ( Lilianae '' sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of ...

(unchanged from the APG III system of 2009 and the APG II system of 2003. This represents a slight change from the

APG system The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly molecular-based, system of plant taxonomy. Published in 1998 by the Angiosperm Phylogeny Group, it was replaced by the improved A ...

, of 1998, which left Hanguanaceae unplaced as to order, but assigned it to these same clades (although it used the name commelinoids). The family consists of only very few species of perennial, tropical plants in Sri Lanka,

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainlan ...

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torr ...

Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...

, and northern Australia.Siti Nurfazilah, A.R., Ahmed Sofiman, O., Mohd Fahmi, A.B. & Boyce, P.C. (2010). Studies on ''Hanguana'' (Commelinales, Hanguanaceae) for Sunda II: Five new forest species from Peninsular Malaysia and recircumscription of ''Hanguana malayana''. Willdenowia 40: 205-219
/ref> Species currently accepted (August 2014): #'' Hanguana bakoensis'' Siti Nurfazilah, Sofiman Othman & P.C.Boyce - Sarawak #'' Hanguana bogneri'' Tillich & E.Sill - Sarawak #'' Hanguana exultans'' Siti Nurfazilah, Mohd Fahmi, Sofiman Othman & P.C.Boyce - Peninsular Malaysia #'' Hanguana kassintu'' Blume - Java #'' Hanguana loi'' Mohd Fahmi, Sofiman Othman & P.C.Boyce - Sarawak #'' Hanguana major'' Airy Shaw - Sarawak, Sabah #''

Hanguana malayana ''Hanguana'' is a genus of flowering plants with a dozen known species. It is the only genus in the family Hanguanaceae. The APG IV system of 2016 recognizes such a family and places it in the order Commelinales, in the clade commelinids, in th ...

'' (Jack) Merr. - Sri Lanka, Myanmar, Thailand, Vietnam, Peninsular Malaysia, Borneo, Java, Sumatra, Sulawesi, Philippines, New Guinea, Queensland, Northern Territory, Palau #'' Hanguana neglecta'' ? - Malaya #'' Hanguana nitens'' Siti Nurfazilah, Mohd Fahmi, Sofiman Othman & P.C.Boyce - Peninsular Malaysia #'' Hanguana pantiensis'' Siti Nurfazilah, Mohd Fahmi, Sofiman Othman & P.C.Boyce - Peninsular Malaysia #'' Hanguana podzolica'' Siti Nurfazilah, Mohd Fahmi, Sofiman Othman & P.C.Boyce - Peninsular Malaysia #'' Hanguana stenopoda'' Siti Nurfazilah, Mohd Fahmi, Sofiman Othman & P.C.Boyce - Peninsular Malaysia

References

External links

''Monocot families'' (USDA)links at CSDL
Commelinales Commelinales genera {{Commelinales-stub