Nepenthes rafflesiana
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Nepenthes rafflesiana, or Raffles' pitcher-plant, is a species of tropical pitcher plant. It has a very wide distribution covering Borneo, Sumatra, Peninsular Malaysia, and Singapore. Nepenthes rafflesiana is extremely variable, with numerous forms and varieties described. In Borneo alone, there are at least three distinct varieties. The giant form of this species produces enormous pitchers rivalling those of N. rajah in size.
Typical habitat of N. rafflesiana.
Detail of the peristome on a lower pitcher.
Ant drinking nectar from the peristome of a N. rafflesiana pitcher
Nepenthes albomarginata
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Nepenthes albomarginata is a tropical pitcher plant native to Borneo, Peninsular Malaysia, and Sumatra.
Nepenthes albomarginata in the Bogor Botanical Gardens
N. albomarginata growing in Sumatran heath forest
N. albomarginata × N. gracilis