Cirsium acaule
(Redirected from Stemless thistle)
| Cirsium acaule | |
|---|---|
 | |
| Cirsium acaule/acaulon (Dwarf Thistle) | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Spermatophytes |
| 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[1] | |
| Synonyms[1] | |
|
Synonymy
| |
Cirsium acaule or acaulon has the English name dwarf thistle or stemless thistle. It is widespread across much of Europe.[2] It is often found on short, calcerous grasslands.
Description
[edit]Cirsium acaule is a perennial herb. The leaves are a spreading rosette, spiny, 10 to 15 cm (3.9 to 5.9 in) 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 (1.2 to 1.6 in) long, the florets are red/purple. They flower from June to September.[3]
References
[edit]- 1 2 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.
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