Shoots of Podophyllum versipelle
Numéro d’image : 11719970
| Shoots of Podophyllum versipelle,native to S China and Vietnam. The picture shows shoots emerging from soil in a UK garden (May). Below is the papery covering that protected the buds during winter (brown). Each shoot has two tightly furled leaves,between which are visible the flower buds (rust-red). The buds are approximately 1cm long. The leaves row to become up to 15cm across with the flowers held beneath them.Podophyllum species are the source of podophyllotoxin,a cytotoxin extracted from the rhizomes (roots) which arrests cell division at metaphase. The extract is used as a topical treatment for Human Papilloma Virus induced genital warts,under the name Podocon-25 in the USA. Podophyllotoxin is also the starting material for the production of the anticancer drugs etoposide and teniposide. P. versipelle is an unusual rhizomatous hardy perennial suitable for shady situations | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 3468 px × 5212 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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