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Cyperus hamulosus is a sedge of the family Cyperaceae.[1] It is native from Bulgaria east to Mongolia, and from Morocco in northAfrica down to Namibia in the south.[2] It has also been introduced to western parts of Australia.

Cyperus hamulosus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Cyperus
Species:	C. hamulosus
Binomial name
Cyperus hamulosus M.Bieb.

Description

The annual herb-like sedge typically grows to a height of 4 to 5 centimetres (1.6 to 2.0 in) and has a curry-like smell. In Australia it blooms between April and May producing green flowers.[1] It has smooth culms with a triangular cross-section that reach a height of 1 to 5 cm (0.39 to 1.97 in) and have a diameter of about 0.5 mm (0.020 in). The leaves can be as longs as the culms but are often shorter and have a width of about 1 mm (0.039 in). The head-like inflorescences can have two to three branches that are up to 1 cm (0.39 in) in length with cylindrical to spherical shaped spikes that have a diameter of about 0.6 cm (0.24 in).[3]

Taxonomy

The was described by the botanist Friedrich August Marschall von Bieberstein in 1808 as a part of the work Flora Taurico Caucasica. There are eight synonyms including; Cyperus aristatus subsp. hamulosus, Dichostylis hamulosa, Isolepis hamulosa, Mariscus hamulosus and Scirpus hamulosus.[2]

Distribution

It is found in temperate climatic areas from Eastern Europe to parts of central Asia. It is also found in tropical parts of West Africa.[2] It has become naturalised is Western Australia and is found around the edges of lakes in the Mid West, Gascoyne and Goldfields-Esperance regions of Western Australia where it grows in gravelly sandy-clay soils.[1] It is also found in the Northern Territory.

See also

• List of Cyperus species

References

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