Brookweed - Samolus valerandi

Scientific Name: Samolus valerandi (Primulaceae).

English Name: Brookweed (Primrose family).

French Name: Samole de Valerand.

5 Key Characters:
  • often quite small but can reach over 30 cm high.
  • light green spoon shaped leaves.
  • most of the leaves are in the form of a basal rosette.
  • the leaves up the stem are thinner and alternate.
  • white 5 lobed ('petalled') flowers in a loose spike.
Lookalikes: The leaf rosettes look like Daisy Bellis perennis and beginners might mistake the flowering plant for some of the Crucifers (Cabbage family Brassicaceae), but these only have 4 petalled flowers.

Habitat: The banks and sandy draw down zones of étangs (ponds), fens, wet open grassland, bogs, seeps on alkaline soil, the edges of gravel pits and ditches. They require light and damp conditions, preferring calcareous soil and avoiding acid soil.

Flowering Period: June-July-August-September.

Status: Protected, local and uncommon.

References and Further Reading:

Flore remarquable du Parc naturel régional de la Brenne by Francois Pinet.

Photographed by Loire Valley Nature:
All photos will enlarge in a new window if you click on them. Row 1 - 2 on the banks and draw down zone of the Etang de la Rolle in the Foret de Preuilly, June.

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