Nepenthes

Key to Nepenthes species in Mt. Pantaron Range: —It follows: 1a. Leaves sessile .................................................................................................................................................................................... 2 1b. Leaves petiolate................................................................................................................................................................................. 3 2a. leaf attachment to stem strongly decurrent.................................................................................................................. N. surigaoensis 2b. leaf attachment to stem slightly decurrent......................................................................................................................................... 4 3a. leaves broad, triangular to rectangular; habit can be epiphytic ......................................................................................... N. truncata 3b. leaves narrow, linear; habit strictly terrestrial ................................................................................................................................... 5 4a. leaf attachment to stem unequally decurrent..................................................................................................................... N. cabanae 4b. leaf attachment to stem non-decurrent ............................................................................................................................... N. manobo 5a. Aerial pitchers with non-bulbous bottom 1/3 rd ...................................................................................................... N. malimumuensis 5b. Aerial pitchers’ have bulbous bottom 1/3 rd ........................................................................................................................................ 6 6a. Ground pitchers ellipsoidal, lid with central basal appendage, stems round/terete, habit strictly terrestrial ................... N. talaandig 6b. Ground pitchers subcylindrical, lid without central basal appendage, stems angular/winged, habit can be epiphytic to tall trees..... ............................................................................................................................................................................................. N. pulchra