Nepenthes sumatrana
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Nepenthes sumatrana |
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Lower pitcher of cultivated plant.
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Scientific classification | ||||||||||||||
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Nepenthes sumatrana G.Beck (1895) |
Nepenthes sumatrana (after Sumatra) is a species of pitcher plant endemic to Sumatra. It grows at an elevation of 0 to 800 m.
N. sumatrana is closely related to N. longifolia and N. rafflesiana.
Character | N. longifolia | N. sumatrana |
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Tendrils on rosette leaves | ≤110 cm long | ≤60 cm long |
Lower pitcher height | usually about 1/10 the length of the tendril | usually about 1/5 the length of the tendril |
Lower pitchers on immature rosettes | ovoid in lower parts, hip around the middle, lid ovate | ovoid in lower parts, hip around the middle, lid ovate |
Lower pitchers on rosettes sprouting from mature plants | as for rosette pitchers on immature plants | ovoid throughout, hip immediately beneath peristome, contracted at an angle of 45° to mouth, lid orbicular |
Upper pitcher fragrance | no fragrance | sweet, fruity fragrance |
Upper pitcher shape | infundibular in lower ⅓, cylindrical up to hip and mouth, lid usually ovate, rarely orbicular | infundibular throughout, hip immediately beneath peristome, lid orbicular |
Peristome of upper pitchers | never raised at front like N. rafflesiana, but often "notched" | raised at front, like N. rafflesiana |
[edit] References
- Clarke et al. (2000). Nepenthes sumatrana. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006.
- Clarke, C.M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu, pp. 193-198.
Miscellaneous: Nepenthes classification • Nepenthes infauna