Pedicellarum paiei M.Hotta

Slender, heterophyllous, root-climbing liane. Shoot system differentiated into nonflowering adherent and free, lateral flowering stems; eocaul not observed seedling shingle-leaved; flowering shoot much abbreviated, (foliage) leafless. Leaves stiffly chartaceous, mid-green, paler abaxially, drying mid-green to brown; petiole 1–2 × 0.1–0.2 cm, slender, very narrowly canaliculate, apex geniculate, sheath very indistinct; blade 5–16 × 1.5–5 cm, broadly to narrowly elliptic or ovate-elliptic, apex acuminate to long-acuminate, straight to markedly falcate, apiculate, apicule laterdeciduous, base subacute to obtuse; primary lateral veins arising at 60–70°, 2 intramarginal veins per side, 2–6 mm from blade margin, arising from just above base of the midrib, remaining ± parallel to margin, terminating at the tip of the blade. Inflorescence solitary to rarely paired; peduncle 6–8 × c. 0.1 mm, very slender, straight, the inflorescence held erect to spreading, greenish yellow. Spathe 4–6 × c. 4 mm, ovate, base rounded, annularly inserted on to peduncle, apex acuminate, greenish yellow. Spadix stipitate; stipe 3–4 × c. 0.9 mm, terete; fertile portion 2–3.5 × c. 0.15 cm, slendercylindric, prominently zig-zagging, greenish yellow. Flowers 5–11 per inflorescence, c. 2 mm diam., widely scattered, briefly stipitate, arranged in two rows along thespadix with a prominent receptacle, 6 fused tepals forming a cup and 6 free stamens. Infructescence with few berries (but generally each flower fertile); fruit 6–13 × 4–6 mm, elongate oblong-ellipsoid with a prominently truncate apex; seeds elongate-ellipsoid, 4–6 × 3–4 mm.