Ingo Arndt / Rafflesia (Rafflesia arnoldii) flower, is the largest flower in the world, fresh open first day, highlands, Malaysian Peninsula

Christian Ziegler / Rafflesia (Rafflesia Keithii) flower attracts flies, Sabah, Borneo, Malaysia

Ingo Arndt / Rafflesia (Rafflesia sp) flower, buds about to open, largest flower in the world, highlands, Malaysian Peninsula

Ingo Arndt / Rafflesia (Rafflesia arnoldii) flower, largest flower in the world, fresh open first day showing central column, highlands, Malaysian Peninsula

Gerry Ellis / Rafflesia (Rafflesia keithii) growing on rainforest floor, Borneo