Molecular Biology and Genetics

Molecular Biology

Barcode data: Carlina acaulis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Carlina acaulis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Carlina acaulis

Carlina acaulis (stemless carline thistle, dwarf carline thistle, silver thistle) is a perennial dicotyledonous flowering plant in the family Asteraceae, native to alpine regions of central and southern Europe.[1] The specific name acaulis (New Latin for "without a stem," from Latin caulis "stem" or "stalk") and common names are descriptive of the manner in which its flower head rests directly upon a basal leaf rosette.

The spiny, pinnatilobate leaves grow in a basal rosette approximately 20 cm in diameter. The flowers are produced in a large (up to 10 cm) flowerhead of silvery-white ray florets around a central disc. The disc florets are tubular and yellow-brown in colour. To protect the pollen, the head closes in wet weather, a phenomenon folklore holds to presage forthcoming rain.[2] 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:[1]

Uses[edit]

The rhizome contains a number of essential oils, in particular the antibacterial carlina oxide.[3] The root was formerly employed in herbal medicine as a diuretic and cold remedy.[4]

While young, the flowerhead bud can be cooked and eaten in a similar manner to the Globe artichoke, which earned it the nickname of hunter's bread.

It is sometimes cultivated as a rockery plant, or dried and hung as a house decoration.

In Basque culture it was traditionally used as symbol of good fortune, fixed into the frontal door of the house.

References[edit]

  1. ^ a b Flora Europaea: Carlina acaulis, retrieved 2008-01-21 
  2. ^ Botany Online, Carlina acaulis, weather clock, retrieved 2008-01-21 
  3. ^ Florkin, Marcel, Comprehensive Biochemistry, Elsevier, p. 216 
  4. ^ Harborne, Jeffrey B., Chemical Dictionary of Economic Plants, Wiley, p. 12, ISBN 0-471-49226-4 
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