Rafflesia arnoldii Robert Brown
Species named after Dr. James Arnold, a physician who explored Sumatra with Sir Samford Raffles in the early 1800s.(1818?)
Synonyms: R. titan Jack
Fully open flower of Rafflesia arnoldii.
Flower bud, in a later stage of opening.
Flower bud, with scales still unexpanded.
Fully open flower with Troy Davis included for scale!
Closer view of the flower showing the diaphragm surrounding the floral opening.
Close-up of the perigone lobe showing the pattern.
Side view of the disk from a dissected flower.
View from inside a Rafflesia flower.
Professor Trond Schumacher (University of Oslo) and R. arnoldii.
Photograph by Harry Wiriadinata (email: herbogor@indo.net.id) and Suwito Alam from article in "Voice of Nature" (ISSN No 0216-4177), Vol.84, Aug. 1990, page14
Close-up view of two Rafflesia anthers dehiscing the pollen in a sticky fluid. Mt. Sago, Sumatra. Photo by E. S. Ross July 23, 1983.
Close-up view of two Rafflesia anthers dehiscing the pollen in a sticky fluid. Mt. Sago, Sumatra. Photo by E. S. Ross July 23, 1983.
The following photos were taken by Mr. Davis who formerly maintained a web site called SumatraFlora - On-Line Nursery. This site is no longer available, but at the time he provided a number of photographs of interesting plants from Sumatra, including Rafflesia arnoldii. The nine photos below were taken in the Palupu Reserve near Bukittinggi, Indonesia.
SIUC / College of Science / Parasitic Plant Connection / Rafflesiaceae
URL: http://www.parasiticplants.siu.edu/Rafflesiaceae/Raff.arn.page.html
Last updated: 17-May-07 / dln
ht*p://www.parasiticplants.siu.edu/Rafflesiaceae/Raff.arn.page.html
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