''Carlina acaulis'', the stemless carline thistle, dwarf carline thistle, or silver thistle, is a

perennial In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...

dicotyledonous The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into which all the flowering plants (angiosperms) were formerly divided. The name refers to one of the typical characteristics of the group: namely, ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

, native to

alpine Alpine may refer to any mountainous region. It may also refer to: Places Europe * Alps, a European mountain range ** Alpine states, which overlap with the European range Australia * Alpine, New South Wales, a Northern Village * Alpine National P ...

regions of central and southern Europe. The specific name ''acaulis'' (

Neo-Latin Neo-LatinSidwell, Keith ''Classical Latin-Medieval Latin-Neo Latin'' in ; others, throughout. (also known as New Latin and Modern Latin) is the style of written Latin used in original literary, scholarly, and scientific works, first in Italy d ...

for 'without a stem', from

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

''caulis'' 'stem' or 'stalk') and common names are descriptive of the manner in which its flower head rests directly upon a basal

leaf A leaf (: leaves) is a principal appendage of the plant stem, stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leav ...

rosette. The plant is named after

Charlemagne Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...

who searched for a treatment against the plague. He dreamed of an angel who told him to shoot an

arrow An arrow is a fin-stabilized projectile launched by a bow. A typical arrow usually consists of a long, stiff, straight shaft with a weighty (and usually sharp and pointed) arrowhead attached to the front end, multiple fin-like stabilizers c ...

in the sky and see on what plant the arrow would hit. This plant would bring relieve to the plague. The plant the arrow hit was the ''Carlina acaulis,'' the roots of the plant were distributed among the population following which the plague diminished. The spiny, pinnatilobate leaves grow in a basal rosette approximately 20 cm in diameter. The

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

s are produced in a large (up to 10 cm)

flowerhead Flowerhead was a rock band from Austin, Texas. Biography The seeds of Flowerhead were originally planted deep underground by founding members Eric Faust (Lead Vocals, Bass, Guitars) and Buz Zoller (Guitars, Vocals) in 1987. With the addition of ...

of silvery-white ray

floret This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary ...

s around a central disc. The disc florets are tubular and yellow-brown in colour. To protect the

pollen Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly reduced Gametophyte#Heterospory, microgametophytes), which produce male gametes (sperm ...

, the head closes in wet weather, a phenomenon folklore holds to presage forthcoming rain. The flowering time is between August and September. It prefers chalky soils and dry pastures in environments from valleys up to an altitude of 2,800 m. ;Subspecies There are two subspecies: * ''Carlina acaulis'' subsp. ''acaulis'' – inflorescences sessile * ''Carlina acaulis'' subsp. ''simplex'' – inflorescences with a short stem

Uses

The

rhizome In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...

contains a number of

essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the ...

s, in particular the

antibacterial An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention ...

carlina oxide. The root was formerly employed in

herbal medicine Herbal medicine (also called herbalism, phytomedicine or phytotherapy) is the study of pharmacognosy and the use of medicinal plants, which are a basis of traditional medicine. Scientific evidence for the effectiveness of many herbal treatments ...

as a

diuretic A diuretic () is any substance that promotes diuresis, the increased production of urine. This includes forced diuresis. A diuretic tablet is sometimes colloquially called a water tablet. There are several categories of diuretics. All diuretics ...

and cold remedy. While young, the flowerhead bud can be cooked and eaten in a similar manner to the

Globe artichoke The artichoke (''Cynara cardunculus'' var. ''scolymus''),Rottenberg, A., and D. Zohary, 1996: "The wild ancestry of the cultivated artichoke." Genet. Res. Crop Evol. 43, 53–58. also known by the other names: French artichoke, globe artichoke, ...

, which earned it the nickname of ''hunter's bread''. It is sometimes cultivated as a

rockery A rock garden, also known as a rockery and formerly as a rockwork, is a garden, or more often a part of a garden, with a landscaping framework of rocks, stones, and gravel, with planting appropriate to this setting. Usually these are small ...

plant, or dried and hung as a house decoration. In

Basque culture The Basques ( or ; ; ; ) are a Southwestern European ethnic group, characterised by the Basque language, a common culture and shared genetic ancestry to the ancient Vascones and Aquitanians. Basques are indigenous to, and primarily inha ...

it was traditionally used as symbol of good fortune, fixed into the frontal door of the house and was given by the goddess Mari.

References

{{Authority control acaulis Alpine flora Medicinal plants of Europe Plants described in 1753 Taxa named by Carl Linnaeus Flora of the Carpathians