Nepenthes Mirabilis - Taxonomy

Taxonomy

Nepenthes mirabilis is closely related to N. rowanae and N. tenax, the only two Nepenthes species endemic to Australia.

Differences between N. mirabilis and N. rowanae (Clarke & Kruger, 2005)
Character N. mirabilis N. rowanae
Morphology of leaf blade Acute to rounded Contracted towards the apex, then continuing along the tendril as a narrow, acute, extension
Insertion of tendril to leaf blade Simple Peltate
Pitcher wings Simple, bearing multicellular fringe elements Often flattened at front, forming a T-shape in XS, multicellular fringe elements often present
Leaf blade texture Usually chartaceous Strongly coriaceous
Leaf blade attachment to stem Simple, or rarely decurrent for ⅓ the length of the internode Decurrent for at least ½ the length of the internode, usually more
Gland density in lower portion of pitcher 1600-2500 / cm² Approximately 3600 / cm²
Position of pitcher hip in upper pitchers Mid-way, to lower half Upper quarter
Position of pitcher hip in lower pitchers Lower third to quarter Immediately beneath peristome

In his Carnivorous Plant Database, taxonomist Jan Schlauer treats N. kongkandana as a synonym of N. mirabilis.

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