Typhonium conchiforme Hett. & A.Galloway

Underground part a short tuberous rhizome, 1.5-2 cm long, 1-1.5 cm in diam. Flowering alongside the first developed leaf and then later again in the season. Petiole 17-22 cm long, 2-3 mm in diam., smooth, basal part pale brown with darker brown striations or pale green with pale brownish striations, upper part uniformly bright pale green; lamina deeply sagittate, 13-20 cm long, upper surface green, lower surface paler green, anterior segment lanceolate, 7-11 cm long, 1-2 cm in diam. at the base, gradually narrowing to the apex, apex acute, posterior segments parallel or diverging at a rather small angle, linear-lanceolate, 6-10 cm long, 0.8-1.5 cm in diam. at the base, acute. Peduncle hardly or half exposed or almost entirely exposed, 2-4 cm long, 3 mm in diam., white with thin reddish purple striations; spathe 4-6 cm long, constricted between base and limb, base elliptic-ovate, 1.3-1.8 cm long, 0.9-1.2 cm in diam., outside veins whitish, in between flushes of brown and irregularly angulate to subrectangular dark brown spots and similar punctations, or whitish green with pale greenish-greyish striations and spots, inside glossy, dirty pale brownish with spots from the outside shining through, or nearly entirely off-white or pale green; limb deeply cymbiform, strongly concave, 2.7-4 cm long, 2-2.5 cm in diam., outside as base but slightly flushed purple and glossy or considerably more purple, apex acute, sometimes apiculate, inside as outside but dull, Spadix slightly shorter than spathe, 3.5-5 cm long, often slightly but distincty curved forward; female part 1-2 m l11 long, 5 mm in diam., flowers congested and all fused into one large synandrium, bordering lines between individual flowers visible; sterile part l.1-1.4 cm long, lower 3-5 mm with densely set staminodes, the remainder naked, smooth, white; male part cylindric, 9-10 mm long, 4 mm in cliam., base oblique or attenuate, flowers congested; appendix very shortly stipitate (stipe 1 mm) elongate-conical, l.5-2.4 cm long, 3 mm in diam. at the base, tapering to the obtuse or subacute top, base truncated, surface smooth, dark reddish purple, pale brown or dark blackish grey. Ovaries elongate, subangulate, obconical, l.5 mm long, 1 mm in diam. near tbe apex, apex flattened pyramidal, lower half whitish, upper half pale pinkish with dark purple spots, unilocular, one basal ovule; style absent; stigma apical or sublateral, hemispheric, glossy, densely papillate. Staminodes elongate, terete or slightly thickened near the top, 1-3 mm long, 1 mm in diam., smooth, off white or pale yellow, top obtuse or subacute, the lower ones slightly curved upwards, the upper ones horizontal. Anthers very pale whitish pinkish, truncated, pores apical, orbicular or elliptic after anthesis.