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Araceae
Rhaphidophora gorokensis P.C.Boyce
SUMMARY
Small, homeophyllous (?) liane to 12 m; seedling stage and pre-adult plants not observed; LEAVES: adult shoot architecture not fully observed but presumably comprised of elongated, clinging, physiognomically unbranched, leafy, non-flowering stems and (observed), free, little branching, sympodial, densely leafy flowering stems; stems terete in cross-section, without cataphyll, prophyll and petiolar sheath fibre, internodes to 1-4 x 0.5-0.8 cm, separated by slightly oblique, corky leaf scars; flagellate foraging stems, clasping roots and feeding roots unknown; leaves spiro-distichous on free shoots; cataphylls and prophylls chartaceous, caducous; petiole deeply canaliculate, 6.5-11 x 0.15-0.25 cm, smooth, genicula weak; petiolar sheath prominent, chartaceous, extending to apical geniculum, briefly persistent, then partially caducous, later falling leaving an irregular, corky scar; lamina entire, narrowly lanceolate to elliptic, oblique, falcate, 7-16 x 2-5 cm, stiffly coriaceous, base acute, oblique, apex long-acuminate with a minute tubule; midrib raised abaxially, flush to slightly sunken adaxially; primary venation densely pinnate, raised abaxially and adaxially; interprimaries sub-parallel to primaries, indistinguishable from them; secondary and tertiary venation conspicuously parallel-reticulate; INFLORESCENCE solitary, subtended by an under-developed foliage leaf; peduncle compressed-terete, 5-7 x 0.2-0.2.5 cm; spathe narrowly canoe-shaped, stout-acuminate, 6-6.5 x c. 1.5 cm, marcescent(?); spadix cylindrical, sessile, 3.3-3.5 x c. 0.7 cm; stylar region rhombohexagonal, c. 0.9-1 x 0.8-1.1 mm, truncate; stigma punctiform, flush with a raised rim, c. 0.5 mm diam.; anthers not exserted at male anthesis; INFRUCTESCENCE not observed.