Nepenthes

Cheek, M., 2015, Nepenthes (Nepenthaceae) of Halmahera, Indonesia, Blumea 59 (3), pp. 215-225 : 217

Key to the species of Nepenthes of Halmahera

1. Lower surface of the lid of upper pitchers with both an upper appendage and a lower appendage........ N. maxima

1. Lower surface of the lid of upper pitchers lacking any appendages, or ( N. weda ) with only an apical appendage. 2

2. Blade margins of rosette and short stem leaves fimbriate (at- tenuated extensions of the leaf), glabrous; stems with dense fine white stellate or arachnoid indumentum; inflorescence racemose (partial-peduncles 1-flowered).... N. mirabilis

2. Blade margins of all leaves more or less densely brown pubescent (not fimbriate); golden-brown simple hairs, at least on buds; inflorescence paniculate (partial-peduncles 3–5- flowered) in basal part of inflorescence.............. 3

3. Upper pitchers 8–10.5 by 2.8–3.5 cm; petioles of climbing stems 1.5–2.8(–3.4) cm long; wings of lower pitchers glabrous or soon glabrescent; lower surface of pitcher lids without an appendage; lid nectar glands present in midline................................... N. halmahera

3. Upper pitchers 24–25 by 6 cm; petioles of climbing stems 5–7 cm long; wings of lower pitchers conspicuously long golden-brown hairy; lower surface of pitcher lids with a terminal appendage; lid nectar glands absent from midline....................................... N. weda