Carduus argentatus

Source: Wikipedia, the free encyclopedia.

Silver thistle
Eucera cinnamomea male on a capitulum of Carduus argentatus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Carduus
Species:
C. argentatus
Binomial name
Carduus argentatus
Synonyms

Carduus acicularis Bertoloni

Carduus argentatus, sometimes known as the silver thistle, is an

shrublands, on steppes and semi-steppes as well as in extreme desert conditions. It grows among mountain vegetation on Mount Hermon in the Golan Heights.[3] In Crete it is found at altitudes of up to 1,400 metres (4,600 ft).[4]

Taxonomy and etymology

The plant was originally described by Carl Linnaeus on page 280 of the Mantissa Plantarum Altera, October 1771.[5][6] The genus name Carduus is from the Latin for "a kind of thistle"[7] or "thistlelike plant".[8] It is related to the medieval Latin word Cardonnacum ("a place of chardons or thistles"), which is the origin of Chardonnay, the name of the grape variety.[9] Argentatus is Latin for silver.[3]

Description

Carduus argentatus, leaf with white spots

The plant grows to a height of about 30 centimetres (12 in) and has erect stems with spiny wings. They may be simple or have many branches. The leaves are spiny with toothed or serrated margins, those at the base forming a rosette and the stem leaves being alternate. The

pappus or may fall off in rings.[3]

John Wilkes's Encyclopaedia Londinensis (volume III, 1810) makes note of the "remarkable" features of the plant including the leaves' spots of white (pictured), which it reports are found in three other species of "Egyptian thistle".[10]

Carduus argentatus inflorescences

References

  1. ^ Carduus. Integrated Taxonomic Information System (ITIS).
  2. ^ "Carduus argentatus" at the Encyclopedia of Life
  3. ^ a b c "Carduus argentatus, Silver Thistle". Flowers in Israel. Retrieved 13 October 2014.
  4. ISBN 3800134780
    .
  5. ^ "Carduus argentatus". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens.
  6. ^ "Linné, Carl von. Mantissa plantarum, 1767-1771". Biblioteca Digital. Retrieved 14 October 2014.
  7. ^ Carduus. The Jepson eFlora 2013.
  8. ^ Carduus. Flora of North America.
  9. ^ Chardonnay. Viticultural Information. UC Integrated Viticulture, University of California.
  10. ^ Wilkes, John (1810). Encyclopaedia Londinensis Volume 3. County of Sussex: Milland House. p. 795. Retrieved 14 October 2014.

External links

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