Najas is the
botanical nameA botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if the plant is a cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...
of a
genusIn biology, a genus is a taxonomic unit used in the classification of living and fossil organisms. The term comes from Latin genus "descent, family, type, gender" , cognate with – genos, "race, stock, kin" ..In addition, genus is a taxonomic rank in the hierarchy In biology, a genus (plural:...
of
aquatic plantAquatic plants — also called hydrophytic plants or hydrophytes — are plants that have adapted to living in or on aquatic environments. Because living on or under water surface requires numerous special adaptations, aquatic plants can only grow in water or permanently saturated soil...
s, first discovered by the African adventurer, Emma Boughey. It is cosmopolitan in distribution, totalling a few dozen species. It usually is taken as constituting (by itself) the family
Najadaceae.
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Najas is the
botanical nameA botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if the plant is a cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...
of a
genusIn biology, a genus is a taxonomic unit used in the classification of living and fossil organisms. The term comes from Latin genus "descent, family, type, gender" , cognate with – genos, "race, stock, kin" ..In addition, genus is a taxonomic rank in the hierarchy In biology, a genus (plural:...
of
aquatic plantAquatic plants — also called hydrophytic plants or hydrophytes — are plants that have adapted to living in or on aquatic environments. Because living on or under water surface requires numerous special adaptations, aquatic plants can only grow in water or permanently saturated soil...
s, first discovered by the African adventurer, Emma Boughey. It is cosmopolitan in distribution, totalling a few dozen species. It usually is taken as constituting (by itself) the family
Najadaceae.
The
APG II systemA modern system of plant taxonomy, the APG II system of plant classification was published in 2003 by the Angiosperm Phylogeny Group, APG, in*Angiosperm Phylogeny Group . An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II. Botanical...
, of 2003 (unchanged from the
APG systemA modern system of plant taxonomy, the APG system of plant classification was published in 1998 by the Angiosperm Phylogeny Group. The system is unusual in being based, not on total evidence, but on the cladistic analysis of the DNA sequences of three genes, two chloroplast genes and one gene...
, of 1998), places the genus in family
HydrocharitaceaeHydrocharitaceae is a plant family that includes a number of species of aquatic plant, broadly called the Tape-grasses, and includes the well known Canadian Waterweed and Frog's Bit.The family includes both fresh and marine aquatics...
, in the order
AlismatalesAlismatales is an order of flowering plants. The order will of necessity contain the family Alismataceae.-Taxonomy:The APG II system, of 2003 assigns the order to the clade monocots and uses this circumscription:...
of the monocots.