Artemisia absinthium (leaf)

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{{Macroscopy| source=Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
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             | flavor=Very bitter, somewhat saline.
 
             | flavor=Very bitter, somewhat saline.
 
             | scent=Faintly aromatic, disagreeable and narcotic when briskly rubbed.}}
 
             | scent=Faintly aromatic, disagreeable and narcotic when briskly rubbed.}}
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{{Organolepsy | source=American Medicinal Plants of Commercial Importance (1930)
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| scent=The plant has an aromatic odor.
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| flavor=[Wormwood has] an exceedingly bitter taste.}}
 
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=Macroscopic Characteristics=
 
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{{Macroscopy | source=American Medicinal Plants of Commercial Importance (1930)
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| description=This shrubby, aromatic, much-branched plant grows from 2 to 4 feet in height.  The growing shoots are silvery white with fine silky hairs; and the grayish-green leaves, which are from 2 to 5 inches long, are divided into small leaflets.  The flower clusers, appearing from July to October, consist of numerous small, insignificant, drooping, yellow heads. 
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{{Macroscopy| source=Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
 
{{Macroscopy| source=Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
 
|description= 
 
|description= 

Latest revision as of 13:34, 24 June 2015

AHPA recognizes other valuable resources exist regarding the identity of Artemisia absinthium.

To submit a suggestion or contribution, please contact Merle Zimmermann.


Contents

Nomenclature

Artemisia absinthium L.   Asteraceae  
Standardized common name (English): wormwood

Botanical Voucher Specimen

bottomright bottomright

Artemisia absinthium Tropicos 100158913.jpg
Source: MOBOT, Tropicos.org[1]

Artemisia absinthium Kew imageBarcode=K000891973 481570.jpg
Source: Royal Botanic Gardens, Kew.[2]

Organoleptic Characteristics

 
Scent Faintly aromatic, disagreeable and narcotic when briskly rubbed.
Flavor Very bitter, somewhat saline.

Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [3]


Scent The plant has an aromatic odor.
Flavor [Wormwood has] an exceedingly bitter taste.

Source: American Medicinal Plants of Commercial Importance (1930) [4]

Macroscopic Characteristics

This shrubby, aromatic, much-branched plant grows from 2 to 4 feet in height. The growing shoots are silvery white with fine silky hairs; and the grayish-green leaves, which are from 2 to 5 inches long, are divided into small leaflets. The flower clusers, appearing from July to October, consist of numerous small, insignificant, drooping, yellow heads.

Source: American Medicinal Plants of Commercial Importance (1930) [5]
  

Color Grayish green.

Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [6]

Microscopic Characteristics

The most distinctive tissue elements are the very abundant T-shaped, rather thin-walled trichromes with three to four basal cells; the rather large, yellowish, sessile, glandular trichromes with several vertical tiers of cells, are also quite diagnostic some pollen grains presenting the characteristics of the pollen of the order Compositae will generally be found. The vertical walls of the epidermal cells are wavy or sinuate and the stomata are abundant and fairly large.

Compare with Achillea and insect powder which are similar in certain of the histological characteristics.

Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [7]



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Artemisia absinthium L. -Asteraceae--1.jpg
T-shaped trichromes with three to four basal cells in 400X Acidified chloral Hydrate Soln.
Source: Elan M. Sudberg, Alkemist Laboratories[8]

Artemisia absinthium L. -Asteraceae--2.jpg
Fragment of a strap-shaped tubular covering trichrome
Source: Elan M. Sudberg, Alkemist Laboratories[9]

Microanalysis powdered vegetable p 200 google ver absinthium figure.png
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.[10]

High Performance Thin Layer Chromatographic Identification

Supplementary Information

Sources

  1. ↑ MOBOT, Tropicos.org http://www.tropicos.org/Image/100158913
  2. ↑ Royal Botanic Gardens, Kew. http://specimens.kew.org/herbarium/K000891973
  3. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  4. ↑ American Medicinal Plants of Commercial Importance (1930)
  5. ↑ American Medicinal Plants of Commercial Importance (1930)
  6. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  7. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
  8. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com/
  9. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com/
  10. ↑ Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed.
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