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Topic: Digitalis purpurea


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In the News (Sat 25 May 19)

  
  Foxglove Picture Monograph
The influence of digitalis in its stimulant effect is nearly diametrically opposed to that of aconite.
Digitalis slows a rapid and feeble pulse in asthenic fever.
Digitalis is a remedy for passive congestion where the blood stasis has occurred from feebleness and failure of the circulatory organs.
www.herbdatanz.com /foxglove_picture_monograph.htm   (599 words)

  
 Digitalis BP
Digitalis is contra-indicated in ventricular tachyrardia, and in sinus tachycardia, unless there are definite signs of congestive failure Caution should be exercised, and large doses avoided, in acute lesions of the myocardium, such as rheumatic carditis and cardiac infarction.
Other responses to digitalis, such as slowing of the heart-rate, increase in cardiac output, decrease in cardiac enlargement, reduction in venous pressure and improvement in renal function, are all explained on the basis of this action.
If digitalis cannot be given orally the tincture may be given by rectal injection, or suppositories of powdered digitalis may be employed; the doses, intervals between doses, and the time necessary to obtain cardiac effects are the same for rectal as for oral administration.
www.herbdatanz.com /digitalis_bp.htm   (1913 words)

  
 Poisonous Plants: Foxglove, Digitalis (Digitalis purpurea & lanata)
Digitalis is a perennial herbaceous plant, up to 120 cm high, and has long leaves.
At that time, digitalis was used in enormous doses exclusively as a laxative drug that led to many severe poisonings and deaths, which is why it was consequently rejected.
However, it was not until 1850 that the effect of digitalis on the heart muscle was revealed by the German pharmacologist Traube.
library.thinkquest.org /C007974/1_1fox.htm   (340 words)

  
 Digitalis - Wikipedia, the free encyclopedia
Digitalis is a genus of about 20 species of herbaceous biennials, perennials and shrubs that was traditionally placed in the figwort family Scrophulariaceae.
Digitalis toxicity (Digitalis intoxication) results from an overdose of digitalis and causes anorexia, nausea, vomiting and diarrhoea, as well as sometimes resulting in xanthopsia (jaundiced or yellow vision) and the appearance of blurred outlines (halos).
Digitalis is a classic example of a drug derived from a plant formerly used by folklorists and herbalists: herbalists have largely abandoned its use because of its narrow therapeutic index and the difficulty of determining the amount of active drug in herbal preparations.
en.wikipedia.org /wiki/Digitalis   (934 words)

  
 botanical.com - A Modern Herbal | Foxglove - Herb Profile and Information
These variations in colour of the flowers of cultivated digitalis plants induced the author to undertake a study of the activity of the several varieties, based on the digitoxin content of the stem leaves collected from flowering plants.
Digitalis is an excellent antidote in Aconite poisoning, given as a hypodermic injection.
In cases of poisoning by Digitalis, with a very slow and irregular pulse, the administration of Atropine is generally all that is necessary.
www.botanical.com /botanical/mgmh/f/foxglo30.html   (3122 words)

  
 eMedicine - Digitalis Toxicity : Article by Vinod Patel, MD
Digitalis toxicity was well known in previous centuries, and some have suggested that the toxic visual symptoms of digitalis may have played a role in Van Gogh's use of swirling greens and yellows.
Furthermore, the magnitude of the inotropic effect of digitalis is proportional to degree of inhibition of the enzyme.
Incidence of digitalis toxicity has declined in recent years because of a decrease in digitalis usage, improvement in digoxin formulation with more predictable drug bioavailability, better understanding of pharmacokinetics, increasing awareness in drug-to-drug interactions, increased appreciation for factors that can increase the risk of toxicity, and availability of other drugs to treat heart failure.
www.emedicine.com /med/topic568.htm   (4489 words)

  
 digitals
Digitalis eriostachya = Plants grow 36" tall and 8 to 12" wide and is the tallest of the small yellow flowered foxgloves.
Digitalis thapsi = Native to eastern Portugal and Spain.
Digitalis obscura = Plants are native to eastern to southern Spain and Northern Africa.
hardyplants.com /dig.htm   (3583 words)

  
 Digitalis purpurea - Wikipedia, the free encyclopedia
Digitalis purpurea (Common Foxglove or Purple Foxglove), is a flowering plant in the family Plantaginaceae (formerly treated in the family Scrophulariaceae), native to most of Europe.
Extracted from the leaves, this same compound, whose clinical use was pioneered as digitalis by William Withering, is used as a medication for heart failure.
The main toxins in Digitalis are the two chemically similar cardiac glycosides: digitoxin and digoxin.
en.wikipedia.org /wiki/Digitalis_purpurea   (551 words)

  
 eMedicine - Toxicity, Digitalis : Article by Kenneth T Kwon, MD   (Site not responding. Last check: 2007-11-03)
Despite improved pharmacologic knowledge, digitalis poisoning continues to be a serious problem in infants and children because of its wide availability and narrow therapeutic index.
Digitalis increases phase 4 of the action potential in most myocardial tissue, leading to a reduction of conduction velocity with increased automaticity and ectopic activity.
Digitalis also has a negative chronotropic action, which is partly a vagal effect and partly a direct effect on the sinoatrial (SA) node.
www.emedicine.com /ped/topic590.htm   (3651 words)

  
 Digitalis Purpurea History
The introduction of digitalis was on of the landmarks in the history of cardiac disease."(1)
Digitalis purpurea in Witherings 18th century was a blessing for people with dropsy.
Digitalis strengthened the pulse when it was weak and slowed it down when it was strong.
www.csdl.tamu.edu /FLORA/Wilson/481/medbot/bot2.htm   (805 words)

  
 PLANTS Profile for Digitalis purpurea (purple foxglove) | USDA PLANTS
Digitalis purpurea L. Click on a thumbnail to view an image, or see all the Digitalis thumbnails at the PLANTS Gallery
Digitalis purpurea L. View 90 genera in Scrophulariaceae, 6 species in Digitalis or click below on a thumbnail map or name for species profiles.
Digitalis purpurea L. This plant is introduced to the United States from another country or countries.
plants.usda.gov /java/profile?symbol=DIPU   (312 words)

  
 Digitalis
The potentcy of digitalis extract had been known since the dark ages, when it had been used as a poison for the mediaeval 'trial by ordeal', and also used as an external application to promote the healing of wounds.
There are also reports of digitalis extract finding some use in the treatment of dropsy.
Nowadays, therefore, preparations from digitalis leaves are made using modern recrystallisation methods and are carefully standardised by bio-assay.
www.ch.ic.ac.uk /vchemlib/mim/bristol/digitalis/digitalis_text.htm   (599 words)

  
 Digitalis purpurea f. albiflora
However the spent flower spikes can rapidly become quite unsightly as the seed develops and many gardeners choose to remove most spikes and leave only a few for self-seeding.
As with other biennials/short-lived perennials such as hollyhocks, these plants can remain in the garden for many years through self-seeding as if they were long-lived perennials, often establishing large colonies in optimum growing conditions.
Digitalis leaves are a source of the drug digitalis and are highly poisonous.
www.mobot.org /gardeninghelp/plantfinder/Plant.asp?code=A381   (411 words)

  
 Digitalis purpurea Glittering Prizes
Digitalis 'Glittering Prizes' is the tallest and most vigorous foxglove I've ever grown, and I can't praise it too highly.
The lightly to heavily spotted flowers bloom in early June in shades of pink, purple and white.
Digitalis 'Glittering Prizes' makes a glorious companion plant for roses, delphinium, linaria, and
www.dianeseeds.com /digitalis-glittering-prizes.html   (80 words)

  
 Foxglove (Digitalis purpurea)
Flowers of volunteer foxglove seedlings are often white.
"Digitalis" comes from the Latin for "finger of a glove", referring to the shape of the flowers.
The smaller, uppermost leaves of the plant are the source of the medicinal (and highly poisonous) drug - digitalis.
www.hearstcastle.org /behind_scenes/spring/foxglove.asp   (209 words)

  
 Floridata: Digitalis purpurea
The dried leaves of common foxglove are the principal source of the important heart drug, digitalis.
Originally called "folkesglove" (glove of little folks or fairies), in Olde England, today foxglove is grown commercially for the leaves which yield powerful cardiac glycosides that strengthen and regulate heartbeat.
Extreme caution must be used in administering digitalis since the lethal dose is only slightly stronger than the therapeutic dose.
www.floridata.com /ref/D/digi_pur.cfm   (635 words)

  
 Foxglove   (Site not responding. Last check: 2007-11-03)
It is used in modern medicine to increase the force of the systolic contractions and prolong duration of the diastolic phase in congestive heart failure.
Digitalis drugs lower venous pressure in hypersensetive heart ailments, elevate blood pressure in a weak heart act as a diuretic, and reduce edema.
More information describing Foxglove is available under the listing for Digitalis purpurea, Foxglove, in the Canadian Poisonous Plants Information System, courtesy of Derek B. Munro.
www.ansci.cornell.edu /plants/digitalis.html   (485 words)

  
 Digitalis or Foxglove at Digging Dog | Digitalis ferruginea, Digitalis x mertonensis, & Digitalis purpurea
Including Digitalis ferruginea, Digitalis x mertonensis, and Digitalis purpurea
Digitalis used to be called “Folks Glove,” because its flower resembled the finger of gloves worn by “good folk” or fairies, who, like the plant, dwell in deep hollows and woody dells.
This poisonous herb grows easily in any fertile soil, seeds itself freely, and lends a naturalized look at the edge of woodlands, especially when combined with Aruncus, Cimicifuga or ferns.
www.diggingdog.com /pages2/digitalis.php   (280 words)

  
 Digitalis purpurea
Pendulous, 2-3" long, tubular, funnel-shaped, dark rose-pink to purple (sometimes white) flowers with purple and white spots inside are closely grouped along each spike.
Plant leaves are a source of the drug digitalis and are highly poisonous.
A late spring bloomer that reaches its peak about the same time as roses begin to bloom.
www.mobot.org /gardeninghelp/plantfinder/Plant.asp?code=C530   (305 words)

  
 Digitalis purpurea Foxglove
Digitalis strengthens cardiac contraction and enables the heart to deliver blood to the rest of the body at higher pressure, thus keeping fluid from leaking out of the capillaries.
Digitalis preparations are used to treat almost every type of heart disease".
Just a reminder that Foxgloves are poisonous and should not be used by anyone for anything except gazing at; unless of course, you are a bee.
www.mountainvalleygrowers.com /digpurpureafoxglove.htm   (215 words)

  
 Digitalis purpurea 'Camelot' - Foxglove
Digitalis purpurea ‘Camelot’ is the first Foxglove F1 hybrid which will yield more first and second year blooms and it has added superiority in crop uniformity and strength.
Although most Foxglove is planted in shady areas, ‘Camelot’ can be grown in sunny areas with adequate moisture and lower temperatures.
Digitalis purpurea ‘Camelot’ will reach 42-48" tall with a 24-30" spread at maturity.
www.magnoliagardensnursery.com /productdescrip/Digitalis_Camelot.html   (144 words)

  
 Molecule of the Month - Digitalis
The potency of digitalis extract had been known since the dark ages, when it had been used as a poison for the mediaeval 'trial by ordeal', and also used as an external application to promote the healing of wounds.
Since digitalis purpurea contains a mixture of several cardiac glucosides and also several saponins in amounts and proportions which vary with locality and with season, digitalis preparations vary considerably in potency and quality.
Hydrolysis of digitalis produces three major aglycones or genins (shown below), all of which contain an alpha,beta-unsaturated lactone ring (cyclic ester) in addition to other structural similarities.
www.bris.ac.uk /Depts/Chemistry/MOTM/digitalis/digtalis.htm   (677 words)

  
 Foxglove seeds, Digitalis purpurea (B) at American Meadows   (Site not responding. Last check: 2007-11-03)
Just don't chew on it!) This quality of the plant also led to its use in medicine which is very important.
The “digitalis” well-known in treatment of heart conditions is derived from this species.
Even though it's from faraway England, the wild foxglove is beautifully established and very popular in our woodsy Pacific Northwest, in places like the Oswald State Park in Oregon.
www.americanmeadows.com /bulk_ind_detail.cfm?itemid=84   (189 words)

  
 PLANTS Profile for Digitalis purpurea var. purpurea (purple foxglove) | USDA PLANTS
See all the Digitalis thumbnails at the PLANTS Gallery
purpurea occures in the following states: Alaska, California, Colorado, Connecticut, Idaho, Massachusetts, Maryland, Maine, Michigan, Montana, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Utah, Vermont, Washington, Wisconsin, West Virginia, Wyoming
View 90 genera in Scrophulariaceae, 6 species in Digitalis, 3 subspecies and varieties in Digitalis purpurea L. Classification:
plants.usda.gov /java/profile?symbol=DIPUP2   (218 words)

  
 Digitalis Purpurea - Homeopathic Remedies
The following are the strongest indications of Digitalis Purpurea for its use in homeopathy.
To purchase Digitalis Purpurea and other homeopathic remedies online, please click the button above.
Please remember though, this homeopathy materia medica is provided for information only; it is not intended as a substitute for medical advice, nor as a claim for the effectiveness of Digitalis Purpurea in treating any of the symptoms below.
www.abchomeopathy.com /r.php/Dig   (237 words)

  
 Digitalis purpurea : purple foxglove
[See Page for Genus Digitalis] [List All Plants in this Genus]
Tried this for the first time this year, and it's been very happy.
Add your comments and/or image on Digitalis purpurea
hortiplex.gardenweb.com /plants/p1/gw1013677.html   (44 words)

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