Nepenthes

Lagunday, Noel E. & Amoroso, Victor B., 2024, Emended Description Of Nepenthes Surigaoensis (Nepenthaceae), A Poorly Known Species From Mindanao (Philippines), Phytotaxa 666 (1), pp. 67-72 : 70

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