Dasypogonaceae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s based on the type genus ''

Dasypogon ''Dasypogon'' is a genus of flowering plants in the family Dasypogonaceae. It includes three species, all endemic to Western Australia. Etymology The name literally translates to “shaggy beard”, from Ancient Greek Ancient Greek ...

'', one that has traditionally not been commonly recognized by taxonomists; the plants it contains were usually included in the family

Xanthorrhoeaceae ''Xanthorrhoea'' () is a genus of about 30 species of succulent flowering plants in the family Asphodelaceae. They are endemic to Australia. Common names for the plants include grasstree, grass gum-tree (for resin-yielding species), kangaroo ta ...

. If valid, Dasypogonaceae includes four genera with 16 species. The family is endemic to Australia. The best known representative is ''

Kingia australis ''Kingia'' is a genus consisting of a single species, ''Kingia australis'', and belongs to the plant family Dasypogonaceae. The Aboriginal name bullanock is used as a common name for the plant. It has a thick pseudo-trunk consisting of accumulate ...

''. The 2016

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 publish ...

places the family in the order

Arecales Arecales is an order of flowering plants. The order has been widely named as such only for the past few decades; until then, the accepted name for the order including these plants was Principes. The order includes palms and relatives. Taxonomy ...

, after several studies revealed the family as a sister taxon to

Arecaceae The Arecaceae () is a family (biology), family of perennial plant, perennial, flowering plants in the Monocotyledon, monocot order Arecales. Their growth form can be climbing palm, climbers, shrubs, tree-like and stemless plants, all commonly k ...

, the palm family. Other authors find that the placement of Dasypogonaceae remains undetermined, due to conflicting models, and leave it in an order of its own, the Dasypogonales. The earlier

APG III The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fur ...

(2009),

APG II The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gro ...

(2003), and the 1998

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 ...

all accepted the validity of the family, assigning it to the clade

commelinids In plant taxonomy, commelinids (originally commelinoids) is a clade of flowering plants within the monocots, distinguished by having cell walls containing ferulic acid. Well-known commelinids include palms and relatives (order Arecales), dayf ...

, but leaving it unplaced as to order. The commelinids are

monocots Monocotyledons (), commonly referred to as monocots, ( Lilianae '' sensu'' Chase & Reveal) are flowering plants whose seeds contain only one embryonic leaf, or cotyledon. A monocot taxon has been in use for several decades, but with various ranks a ...

, the broad group to which, in any event, these plants clearly belong.

Phylogeny

Studies have confirmed the

monophyletic In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade – that is, a grouping of organisms which meets these criteria: # the grouping contains its own most recent co ...

character of the grouping. The following is a phylogenetic tree of the family.

References

External links

*
Dasypogonaceae

in L. Watson and M.J. Dallwitz (1992 onwards).
The families of flowering plants
descriptions, illustrations, identification, information retrieval.'' Version: 9 March 2006. https://web.archive.org/web/20070103200438/http://delta-intkey.com/.
Dasypogonaceae in Western Australia
0 entries* {{Taxonbar, from=Q133221 Commelinid families Plant families endemic to Australia Arecales