Water-starwort agg. - Callitriche agg.

Description

Very variable water-plant, very difficult to identify to a species-level even if fruits are present.  Usually seen as small bright-green floating rosettes, with variously oval or strap-shaped leaves, but may be completely submerged. Male and female flowers borne separately; very small and inconspicuous, in leaf axils.  The fruit is a groups of 4 nutlets, each containing a seed.

Identification to species level requires examination of the fruits. 

Identification difficulty
Recording advice

For records of starwort not determined by an exert to species-level,

Habitat

Aquatic and terrestrial usually in or near ponds, ditches, still or slow moving water.

When to see it

Flowers April to September.

Life History

Perennial.

UK Status

Widespread and fairly frequent in Britain as an aggregate.

VC55 Status

Fairly frequent as an aggregate in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Species group:
Wildflowers
Kingdom:
Plantae
Order:
Lamiales
Family:
Plantaginaceae
Records on NatureSpot:
32
First record:
25/05/2007 (Calow, Graham)
Last record:
04/09/2023 (Pugh, Dylan)

Total records by month

% of records within its species group

10km squares with records

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