Nepenthes angasanensis
From Wikipedia, the free encyclopedia
 |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Nepenthes angasanensis holotype (Salmon et Maulder 234372).
|
||||||||||||||
|
|
||||||||||||||
| Scientific classification | ||||||||||||||
|
||||||||||||||
|
|
||||||||||||||
| Nepenthes angasanensis R.Maulder, D.Schubert, B.Salmon & B.Quinn (1999) |
||||||||||||||
 Distribution of N. angasanensis.
|
||||||||||||||
|
|
||||||||||||||
|
Nepenthes angasanensis (Latin: Angasan = a region in Aceh, -ensis = from) is a highland Nepenthes pitcher plant species, native to Sumatra, where it grows at an altitude of 2200 to 2800 m. The status of this taxon is controversial as it is similar in morphology to N. mikei and N. tobaica.
| Character | N. angasanensis | N. mikei | N. tobaica |
|---|---|---|---|
| Habit | Produces offshoots from underground rhizomes | No rhizomes | No rhizomes |
| Spur | Forked | Fasciculate | Filiform |
| Inner margin of peristome | Teeth to 1.5-2 mm long | Teeth to 0.2-0.4 mm long | Teeth < 0.2 mm |
| Stem cross section | Cylindrical | Cylindrical | Cylindrical to obtusely triangular |
| Bracteoles | Sometimes near base of lowest pedicel only | Half way up every pedicel | At base or slightly below pedicel attachment, few |
| Pitcher glands | 300 / cm² | 150-180 / cm² | 200-250 / cm² |
| Pedicels | 1-flowered | 1-flowered | 2-flowered |
| Inflorescence (female) | 55-125 mm long, 9-17 flowers | 40-80 mm long, 4-10 flowers | 195-400 mm long, 30-50 flowers |
No forms or varieties of N. angasanensis have been described.
[edit] Natural hybrids
- N. angasanensis × N. densiflora
[edit] References
- Clarke et al. (2000). Nepenthes angasanensis. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006.
- Clarke, C.M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu, pp. 102-105.
- Salmon, B. & R. Maulder 1999. Notes on Nepenthes from Northern Sumatra. Carnivorous Plant Newsletter 28(1): 14-18.
Miscellaneous: Nepenthes classification • Nepenthes infauna
 |
This Caryophyllales article is a stub. Please help Wikipedia grow by expanding it. |
