Gorgonidium bulbostylum Bogner & E.G.Gonç.

Leaf solitary; petiole c. 64 cm long, 1.5 cm in diameter at the base and 0.8 cm at the apex; blade ovate in outline, bipinnatifid, c. 28 × 48 cm, primary lateral lobes 4(-5?) on each side, pinnatifid, elliptic to oblanceolate, 15-29 × 5-15 cm, lobules (minor lobes) triangular to elliptic or oblanceolate, sometimes falcate, 2-9 × 1.5-2.5 cm. Inflorescence solitary; peduncle 8 × 0.3 cm; spathe cymbiform, coriaceous, with yellowish longitudinal stripes, 16 × 3.2 cm; spadix sessile, c. 9 cm long; female zone 4.8 × 1.2 cm, obliquely adnate to the spathe, male zone 4.5 × 0.8 cm. Flowers unisexual, some bisexual flowers occurring only between the male and the female zones. Male flowers with a synandrium of (4)5-6 stamens, filaments completely connate, 2-2.5 × 1.5 mm, thecae sessile, situated near the apex, globose, 0.4-0.5 × 0.5 mm, dehiscing by a median pore; pollen grains ellipsoid (to slightly ovoid), 37 × 20 μm, inaperturate, exine nearly psilate; connective inconspicuous, flat to very slightly rounded. Female flowers with pistils 3-5mm long, surrounded by 5-6 strongly capitate staminodes, 1.5-2 × 0.5 mm, with vestigial thecae; ovary broadly ovoid, 2-2.5 × 1-1.5 mm (broader than tall), with six locules, each locule with a single ovoid orthotropous ovule, funicle short, slightly curved; style as long as or, sometimes, longer than the ovary, 2-2.8 × 0.8-1 mm, upper part of the style with a bulb-like swelling; stigma rounded, 6-lobed, lobes upright. Bisexual flowers with fully developed thecae, some stamens fused. Infructescence unknown.