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Summary
Physical Characteristics
Onopordum macracanthum is an evergreen Biennial growing to 1 m (3ft 3in) by 0.4 m (1ft 4in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 7. The flowers are pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Homotypic Synonyms: O. illyricum var. macracanthum (Schousb.) Boiss. Heterotypic Synonyms: O. elongatum var. abbreviatum DC. O. macracanthum subsp. broteroanum Rouy. O. macracanthum subsp. eu-macracanthum Arènes. O. macracanthum var. minor Boiss. O. macracanthum var. tomentosum Rouy.
Plant Habitats
Edible Uses
Leaves. We have found some reports that the edible basal leaves are peeled and used as stewed vegetables; however, other reports suggest it is toxic (only the root?) to humans and livestock (sheep, goats). The fragrant root contains a toxic diterpene heteroside, carboxy-atracyloside, which causes pronounced hypoglycemia, elevated uremia, creatinemia and transaminases, while the prothrombin rate falls. Death occurs rapidly as a result of respiratory arrest. During the Middle Ages, the root was used by the Berber-Islamic kingdoms of the Maghreb for political assassinations [2-4] .
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
None known
References More on Medicinal Uses
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Other Uses
Onopordum species are used as food plants by the larvae of some Lepidoptera species.
Special Uses
References More on Other Uses
Cultivation details
Biennial or short-lived weed. Prefers marly to silty-marly ( rich in carbonate minerals, clays, and silt) soils rich in nitrogen. Flowering period: March-July (Northern Hemisphere). No nitrogen-fixing symbionts.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed.
Other Names
If available other names are mentioned here
Catalan: bufassa, card d'ase, card del dimoni, cardiga, cardot macracant, Spanish: alcachofa silvestre, arrecate, cardo blanco, cardo borriquero, cardo de alcachofa, cardoncha, pincho barrillero, pincho burrero, toba,
Native Range
Native to: Algeria, Baleares, Morocco, Portugal, Sardegna, Spain.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
None Known
Conservation Status
IUCN Red List of Threatened Plants Status : This species has not yet been assessed for the IUCN Red List.
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
L.
Botanical References
Links / References
For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.
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Subject : Onopordum macracanthum
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