Callitriche palustris - Common Waterwort

Family:	Callitrichaceae
Habit:	Perennial
Synonyms:	C. verna. L. C. vernalis.
Range:	Most of Europe, but extinct in Britain, most of N. America and Asia.

Callitriche palustris (Common Waterwort) is a Perennial. It has a hardness rating of 0.
The flowers from this plant are monoecious (both sexes are found on the plant but each flower is either male or female) and they are pollinated by Water

Soil Information

Common Waterwort will grow in light (sandy),medium (loamy),hard (clay) soil. It is not necessary for the soil to be well drained.
The soil prefers the following PH / acid levels :
- pH of less than 6, Acidic soils
- pH between 6 and 8, Neutral soils
- pH greater than 8, Basic soils
Common Waterwort prefers soils

Ideal Planting Locations

Common Waterwort should not be planted in shady areas.

Springheads, rills, quiet waters and wet shores in northern N. America[43].

Planting places suited to this plant described below.

• Is a pond plant

Cultivation Details

A water plant, it should be allowed to root into the soil at the bottom of the pond or be grown in a pot in the pond. This species is an excellent oxygenator of the water and a good food source for fish[1, 200]. It provides a good habitat for wildlife in the pond, the leaves holding spawn well[1]. This species belongs to one of only two known dicot genera where pollination taks place under water[274]. Plants remain active all winter.

Edible Uses*

* See disclaimer
Edible Rating: 1/5
Plant - boiled and seasoned[177].

• Leaves -

Medicinal Uses*

* See disclaimer
Medicinal Rating: 0/5
None known

Propagation

Seed - we have no details on this species but would suggest that the seed will be best sown in a greenhouse as soon as it is ripe in a pot standing in about 5cm of water. It is quite likely that the seed has a short viability, especially if it is allowed to become dry. When large enough to handle, prick the seedlings out into individual pots and grow them on in trays of water in the greenhouse for at least their first winter, planting them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings can be taken at any time in the growing season. They root easily, even if just placed in a pot of water.

Known Hazards

None known

Other Uses

None known

Cultivars

no recorded cultivars

References

Gray's Manual of Botany.
Fernald. M. L.
Author: Fernald. M. L.
Rating:
Publisher : A bit dated but good and concise flora of the eastern part of N. America.
Date of Publication : 1950

Flora Europaea
?
Author: ?
Rating:
Publisher : An immense work in 6 volumes (including the index). The standard reference flora for europe, it is very terse though and with very little extra information. Not for the casual reader.
Date of Publication : 1964

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