Blackstonia perfoliata
(L.) Huds.
Gentianaceae
Blackstonia intermedia (Ten.) Sennen ex Martínez
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
General Information
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[
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
].
The plant is harvested from the wild for local use as a dye.
Known Hazards
None known
Botanical References
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
Range
Europe - Britain and Germany, south to Spain east to Ukraine and Greece; Asia - Turley south to Israel; Africa - Morocco to Tunisia
Habitat
Calcareous grassland and on dunes[
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
].
Properties
| Other Uses Rating |  |
| Habit | Annual |
| Height | 0.30 m |
| Pollinators | Self |
| Self-fertile | Yes |
| Cultivation Status | Wild |
Cultivation Details
It should succeed in a summer meadow or in a sunny position in a well drained soil. It prefers calcareous soils in the wild[
17- Title
- Flora of the British Isles.
- Publication
-
- Author
- Clapham, Tutin and Warburg.
- Publisher
- Cambridge University Press
- Year
- 1962
- ISBN
- -
- Description
- A very comprehensive flora, the standard reference book but it has no pictures.
].
Edible Uses
None known
Medicinal
None known
Other Uses
A yellow dye is obtained from the plant extract[
61- Title
- A Dictionary of Plants Used by Man.
- Publication
-
- Author
- Usher. G.
- Publisher
- Constable
- Year
- 1974
- ISBN
- 0094579202
- Description
- Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
141- Title
- Alternative Enterprises for Agriculture in the UK.
- Publication
-
- Author
- Carruthers. S. P. (Editor)
- Publisher
- Centre for Agricultural Strategy, Univ. of Reading
- Year
- 1986
- ISBN
- 0704909820
- Description
- Some suggested alternative commercial crops for Britain. Readable. Produced by a University study group.
].
Propagation
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.
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.
Useful Temperate Plants Database 2016 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
