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Monday, October 12, 2009

Corkscrew Flower (Strophantus preussii)

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Strophanthus is a genus of 35-40 species of flowering plants in the family Apocynaceae, native mainly to tropical Africa , extending to South Africa , with a few species in Asia , from southern India to the Philippines and southern China. The name (strophos anthos, "twisted cord flower") derives from the long twisted threadlike segments of the corolla, which in one species (S. preussii) attain a length of 30-35 cm. The genus includes vines ,shrubs and small trees . The leaves are opposite or whorled, simple broad lanceolate, 2-20 cm long, with an entire margin. Several of the African tribes used Strophanthus as the principal ingredient in arrow poison.

Plants from this genus produce toxic alkaloids and cardiac glycosides,g-strophanthin (syn. ouabain), k-strophanthin and e-strophanthin. As ordinarily administered, the drug acts on the heart before influencing any other organ or tissue. Often indeed no other action can be observed. It is used to produce the drug Ouabain which was taken as a cardiac stimulant to treat heart failure , and is similar to the drug Digoxin produced from Digitalis purpurea.





Photograph taken at Singapore Botanic Gardens by Cher





26 comments:

  1. The Corkscrew flower is beautiful flower. You have a great series of photos.

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  2. Terrific images! What an unusual flower with petals dripping down in long twisted ribbons. So surreal looking; I love them!

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  3. thanks Eileen and Diane!

    goodnight everyone! have a sweet flowery dreams. ;)

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  4. the flowers are lovely in every sense of the word. great captures.

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  5. Those flowers are gorgeous! Beautiful photographs. Thanks for sharing :)

    Jen

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  6. i like this flower, very interesting and need i say it's with tinge of brown...lol!

    singapore must be one of those place where the most interesting and beautiful blooms grows!

    eng

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  7. Your flowers are gorgeous. Their name makes me thirsty.

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  8. Wow...this is a beautiful flower! Your photos are just fantastic. They look hardy but also delicate at the same time..

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  9. what a gorgeous flower, cher! i love the reddish brown against white shade .. such a lovely contrast. and the dangling threadlike segments give the flower a truly unique look of its own. how interesting to know that this species is used to produce a certain cardiac drug! i love flowers such as this that are not just a beauty to behold, but have amazing uses. thanks for sharing, cher!

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  10. One think I love about blogging is you discover things you would not discover otherwise.

    Just like this flower I have never seen before. It is beautiful, thank you for sharing it.

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  11. A very unusual name for a flower! My first to see this specie. Your shots are well done! Great macros too. I also have read about the toxic trait of the fox glove.

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  12. These flowers are interesting looking. Have never seen anything like this before.

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  13. First time I have heard of it and what a unique name! I learned something again today and thanks for sharing.

    AL

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  14. Are you a photographer nurse..aheheh, anyways, thanks so much dear for always commenting my posts at Insights...bless you more!

    hope you can also visit here in my baby's site:)

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  15. Wow lovely flower...

    But sounds like it is poisonous.. or did I understand it wrongly hehehe :P

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  16. so pretty and interesting. my first time to see such kind of flower.. thanks for sharing

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  17. what a unique name of flower Cher! never heard it before, they are all beautiful Cher, like the photographer :)

    thanks for sharing girlash! ;)

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  18. aheheh..nice man gud ayo imo mga shots.. na guess lang diay nako nga nurse ka..feel ko lang..heheh!

    godbless! and see you every now and then..happy to know you!

    if you can drop by also my other blog:

    http://janmah.blogspot.com/

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  19. i wonder why call it corkscrew?

    hehehe the corkscrew i know is a boxing technique!!

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  20. Oooppsss...never seen before for me again. Looks like an exotic flowering plant. Thanks for showing this Cher. Great post and shots too. Have a nice day to all Salitype gals.

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  21. this flower looks as if it has some mystery in it really amazing

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  22. Awesome flower, so beautiful. Your macros are fantastic. Thanks for the information on the plant, it is very interesting.

    Judy

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  23. Beautiful! I've never seen anything like it before.
    Elle

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  24. Wow....but for some reason, I think that this plant must be an evil witch somewhere inside her....hee heeee! :)

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  25. Something I'd never seen before! Interesting flowers and nice pictures!

    - Pixellicious Photos

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  26. What a beautiful flower ! Very unique. The outside white petals added a soft look.

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