Nepenthes dubia
		N. dubia may be found in the mossy forest margins of the mountains of Central Sumatra at altitudes of 1000m to 2500m. Similar in shape to the pitchers of N. inermis, N. dubia is one of the smallest members of the genus. It was once thought to be a hybrid of N. inermis and N. bongso. N. dubia is endangered, growing within a small area (less than 1000m). Pitchers may be green, red or orange in colour. N.dubia is frequently epiphytic. It is difficult to cultivate.
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