Nepenthes

Cheek, M., Jebb, M., Murphy, B. & Mambor, F., 2018, Nepenthes section Insignes in Indonesia, with two new species, Blumea 62 (3), pp. 174-178 : 175

NEPENTHES SECTION INSIGNES

1. Plants terrestrial, of coastal limestone cliffs of offshore islands, upper pitchers slender, length: breadth ratio> 5: 1; stems terete................................... 2

1. Plants predominantly epiphytic in forest along rivers, some- times terrestrial, but not recorded on limestone; mainland New Guinea; upper pitchers massive and stout, length: breadth ratio 3–3.5: 1; stems triangular...... N. insignis

2. Upper pitchers long and narrowly infundibuliform; leaf blades of climbing stems decurrent as wings for c. 1/2 the internode below.......................... N. sp. Raja Ampat

2. Upper pitchers cylindric, constricted slightly at midpoint (at least in frontal view); blades of climbing stems not decurrent, or decurrent for <1/10 the internode below...... N. biak