''Ecdeiocolea'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of grass-like plants from

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

. It was first defined by von Mueller in 1874. ''Ecdeiocolea'' contains two

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

.Barbara G. Briggs. 2011. "''Ecdeiocolea rigens'', a new species of ''Ecdeiocolea'' (Poales) from Western Australia". ''Telopea'' 13(1-2):69-75. ISSN 0312-9764. The genus is a member of the small family

Ecdeiocoleaceae The Ecdeiocoleaceae comprise a family of flowering plants with two genera and three species. The botanical name has rarely been recognized by taxonomists. The APG II system, in 2003 (unchanged from the APG system, 1998), does recognize such a f ...

and its

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

is the widespread '' Ecdeiocolea monostachya'' . ''Ecdeiocolea'' is most closely related to the

graminoid In botany and ecology, a graminoid refers to a herbaceous plant with a grass-like morphology, i.e., elongated culms with long, blade-like leaves. They are contrasted with forbs, herbaceous plants without grass-like features. The plants most ...

families

Joinvilleaceae The Joinvilleaceae are a family of flowering plants with a single genus including four species. The APG II system, of 2003 (unchanged from the APG system, 1998) assigns it to the order Poales in the clade commelinids in the monocots. The family ...

and

Poaceae Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivate ...

Molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

studies Study or studies may refer to: General * Education **Higher education * Clinical trial * Experiment * Field of study * Observational study * Scientific study * Research * Study skills, abilities and approaches applied to learning Other * Study ...

indicate that ''Ecdeiocolea'' is

sister A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...

to Poaceae.Thomas J. Givnish, Mercedes Ames, Joel R. McNeal, Michael R. McKain, P. Roxanne Steele, Claude W. dePamphilis, Sean W. Graham, J. Chris Pires, Dennis W. Stevenson, Wendy B. Zomlefer, Barbara G. Briggs, Melvin R. Duvall, Michael J. Moore, J. Michael Heaney, Douglas E. Soltis, Pamela S. Soltis, Kevin Thiele, and James H. Leebens-Mack. 2010. "Assembling the Tree of the Monocotyledons: Plastome Sequence Phylogeny and Evolution of Poales". ''Annals of the Missouri Botanical Garden'' 97(4):584-616.

References

Poales Angiosperms of Western Australia Poales of Australia {{WesternAustralia-plant-stub