Nepenthes spectabilis is a tropical pitcher plant endemic to Sumatra, where it grows at elevations of between 1400 and 2200 m above sea level. The specific epithet spectabilis is Latin for "visible" or "notable".
Nepenthes spectabilis
A lower pitcher
Nepenthes spectabilis from Mount Kemiri, the northern limit of its range
An upper pitcher of N. rigidifolia
The Nepenthaceae of the Netherlands Indies
"The Nepenthaceae of the Netherlands Indies" is a seminal monograph by B. H. Danser on the tropical pitcher plants of the Dutch East Indies and surrounding regions. It was originally published in the Bulletin du Jardin Botanique de Buitenzorg in 1928, and reprinted by Natural History Publications (Borneo) in 2006.
Cover showing painting of N. lowii by Sia Yek Chung
A typical line drawing from Danser's monograph, showing three herbarium specimens of the natural hybrid Nepenthes × hookeriana. The plant material illustrated includes a lower pitcher, an upper pitcher, a female inflorescence, an infructescence, and a portion of the stem. This figure was produced by Amir Hamzah, a draughtsman of the Buitenzorg Herbarium, under the direction of B. H. Danser.
Image: Nepenthes hookeriana Danser
Image: Nepenthes mollis Endert 4282