Artemisia absinthium (leaf)
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| mainimage=Artemisia_absinthium_L._-Asteraceae--1.jpg | | mainimage=Artemisia_absinthium_L._-Asteraceae--1.jpg | ||
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− | | description= | + | | description=Wormwood (leaf) (''Artemisia absinthium'') |
| caption1=T-shaped trichromes with three to four basal cells in 400X Acidified chloral Hydrate Soln. | | caption1=T-shaped trichromes with three to four basal cells in 400X Acidified chloral Hydrate Soln. | ||
− | | characteristics=The most distinctive tissue elements are the very abundant T-shaped, rather thin-walled trichromes with three to four basal cells as well as the strap-shaped tubular covering trichomes | + | | characteristics=The most distinctive tissue elements are the very abundant T-shaped, rather thin-walled trichromes with three to four basal cells, as well as the strap-shaped tubular covering trichomes when observed at 400X with Acidified chloral Hydrate Soln. |
| image2=Artemisia_absinthium_L._-Asteraceae--2.jpg | | image2=Artemisia_absinthium_L._-Asteraceae--2.jpg | ||
| companyimage=AP-LOGO-Laboratories Crop - Copy.jpg | | companyimage=AP-LOGO-Laboratories Crop - Copy.jpg | ||
− | | caption2= | + | | caption2=Fragment of a strap-shaped tubular covering trichrome |
| reference=British Pharmacopoeia, 2003 | | reference=British Pharmacopoeia, 2003 | ||
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=HPTLC Entries= | =HPTLC Entries= | ||
=Other Points of Interest= | =Other Points of Interest= |
Revision as of 19:05, 16 October 2012
Contents |
Introduction
Introduction from Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Artemisia_absinthium, retrieved 02/13/2012).
Artemisia absinthium (absinthium, absinthe wormwood, wormwood, common wormwood, green ginger or grand wormwood) is a species of wormwood, native to temperate regions of Eurasia and northern Africa.
It is a herbaceous, perennial plant with fibrous roots. The stems are straight, growing to 0.8-1.2 m (rarely 1.5 m) tall, grooved, branched, and silvery-green. The leaves are spirally arranged, greenish-grey above and white below, covered with silky silvery-white trichomes, and bearing minute oil-producing glands; the basal leaves are up to 25 cm long, bipinnate to tripinnate with long petioles, with the cauline leaves (those on the stem) smaller, 5–10 cm long, less divided, and with short petioles; the uppermost leaves can be both simple and sessile (without a petiole). Its flowers are pale yellow, tubular, and clustered in spherical bent-down heads (capitula), which are in turn clustered in leafy and branched panicles. Flowering is from early summer to early autumn; pollination is anemophilous. The fruit is a small achene; seed dispersal is by gravity.
It grows naturally on uncultivated, arid ground, on rocky slopes, and at the edge of footpaths and fields.
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Macroscopic Entries
Microscopic Entries
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HPTLC Entries
Other Points of Interest
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