Biology : |
Herb creeping, rarely climbing to 3-4 m long; leaves 4-5, rosulate; petiole 4-10 cm long, c. 2 mm Ø; blade ovate, never lobed, base cuneate to cordate, 10-16x4,5-6,5 cm, with 5-7 primary lateral veins on each side, parallel, running towards the apex, with numerous linear secretory canals between them, mostly from 1-4 cm long, shortest c. 0,3 cm, longest to 6 cm; peduncle 3-3,5 cm long, c. 0,5 cm Ø, dark green; spathe c. 5 cm long, outside dark green, inside purplish basally, yellowish-green above; spadix c. 5,5 cm long; ovule campylotropus, c. 1 mm long; fruit unknown. |
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