| Cirsium acaule | |
|---|---|
| |
| Cirsium acaule/acaulon (Dwarf Thistle) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | C. acaule |
| Binomial name | |
| Cirsium acaule (L.) A.A.Weber ex Wigg. 1780 not Scop. 1780 nor Ledeb. 1833 | |
| Synonyms | |
Synonymy
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Cirsium acaule or acaulon has the English name dwarf thistle or stemless thistle. It is widespread across much of Europe. It is often found on short, calcerous grasslands.
Description
Cirsium acaule is a perennial herb. The leaves are a spreading rosette, spiny, 10 to 15 cm long.
There is usually only one flower head, although there can sometimes be 2 or 3. Usually it is not stalked from the leaf rosette. The flower head is 3 to 4 cm long, the florets are red/purple. They flower from June to September.
References
- ^ The Plant List, Cirsium acaule (L.) A.A.Weber ex Wigg
- Altervista Flora Italiana, Cardo nano, Cirsium acaule includes photos and European distribution map
- Rose, Francis (1981). The Wild Flower Key. Frederick Warne & Co. pp. 382–383. ISBN 0-7232-2419-6.
| Taxon identifiers | |
|---|---|
| Cirsium acaule |
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| Carduus acaulis | |
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