Blackstonia intermedia (Ten.) Sennen ex MartÃnez
Centaurium perfoliatum (L.) E.H.L.Krause
Chironia perfoliata (L.) Salisb.
Chlora intermedia Ten.
Chlora mascariensis Desf. ex Steud.
Chlora perfoliata (L.) L.
Chlora sicula Tineo ex Guss.
Gentiana perfoliata L.
Pleurimaria mascariensis Raf.
Pleurimaria perfoliata Raf.
Common Name: Yellow Wort
Flowering sem of a plant at Mont-saint-Père (Aisne), France
Photograph by: Olivier Pichard
Blackstonia perfoliata is an erect, annual plant producing a basal rosette of leaves and a flowering stem, that can be branched or unbranched; it can grow 15 - 45cm tall[
The plant is harvested from the wild for local use as a dye.
Europe - Britain and Germany, south to Spain east to Ukraine and Greece; Asia - Turley south to Israel; Africa - Morocco to Tunisia
Calcareous grassland and on dunes[
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It should succeed in a summer meadow or in a sunny position in a well drained soil. It prefers calcareous soils in the wild[
A yellow dye is obtained from the plant extract[
Seed - sow early spring in seed pots in a cold frame and plant out as soon as the plants are large enough to handle. When well sited, the plant should self-sow.
If you have sufficient seed it should be possible to sow the seed in situ in the spring.