Pitchers and habit of Nepenthes pongoides. (a) Rosette pitcher of immature plant showing highly developed peristome column. (b) Pendent pitcher of a scrambling plant. Note ventral attachment of tendril and scattered large nectar glands of same. (c) Large terrestrial pitcher. (d) Mature rosette emergent from humus-filled fissure between ultramafic boulders; a cutting from this rosette […]