''Callitriche hamulata'' is a species of flowering plant belonging to the family Plantaginaceae.

Description

It is a submerged plant with slender, branching stems about long. The light green, narrow leaves are up to long and 1-2mm wide, slightly broadening at the tip. The leaves which can float on top of the water, are shorter and wider, they are also light brownish or pinkish green. W. Vivian De Thabrew It has tiny inconspicuous green flowers and fruits, and has a flowering period of between May to October. or between April to September in the UK.

Taxonomy

It was then described by Wilhelm Daniel Joseph Koch before being widely published by Friedrich Traugott Kützing in 'Synopsis Florae Germanicae et Helveticae' Collection 246 in 1837. The Latin

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

''hamulata'' is derived from ''hamatus'' meaning "with hooks" or "hooked", referring to the hooked end of the leaves.

Distribution

''Callitriche hamulata'' is native to a wide area, which stretches from Greenland,Jon Feilberg and Iceland, through Europe to North-western Africa. It is widespread and fairly frequent in Britain, particularly in south eastern England.

Habitat

It is found in rapidly flowing streams,S. M. Haslam and P. A. Wolseley which are well oxygenated, and freshwaters, from sea level to about above sea level. This plant can grow in shallow waters and can also adapt to a deeper water level, especially after flooding. It can also be found in or near ponds, ditches, in still or slow moving water.

References

{{Taxonbar, from=Q164986 Plants described in 1837 Flora of Europe Flora of Greenland Flora of Iceland hamulata