Slender root-climbing liane or hemi-epiphyte. Shoot system well-differentiated into adherent climbing shoots and free lateral flowering branches; eocaul and seedling not observed. LEAVES drying dull mid-green; petiole lamina-like, about ¼-? of the length of the blade, to c. 1.4 cm wide, distally rounded to slightly (to pronouncedly) auriculate; blade c. 6–12 × 2–3.5 cm, elliptic to ovate, tip somewhat to very acuminate, base rounded; primary lateral veins diverging at c. 30–45°, intramarginal veins 2 or 3 on each side of the midrib. INFLORESCENCE solitary, rarely clustered, usually subtended by cataphylls on condensed short shoots in the axils of distal leaves, rarely terminal on leafy shoots; peduncle to c. 10 cm long, slender, sometimes gradually thickening distally. Spathe c. 1.2–3.5 cm × 6–8 mm, oblong-ovate to lanceolate, reflexed. Spadix sessile to minutely stipitate, to c. 1–2.5 cm long, ovoid-cylindric, c. twice as long as thick. Flowers c. 1.1 mm diam., with 6 free tepals and 6 stamens. INFRUCTESCENCE: Fruit obovoid, 6–9 mm long, red when ripe; seeds not observed.