Typhonium hunanense H.Li & Z.Q.Liu

Rhizome cylindric, 3–6cm × 4–10mm, usually curved and branched. Petiole 11–26cm; leaf blade green, sometimes purple, oblong-sagittate to ovate, distal part ovate, 6–14 × 5–6cm, base cordate or truncate, apex abruptly acuminate or acute; basal lobes, if present, spreading, ovate, deltoid, or oblong. Peduncle 6–9cm, slender. Spathe convolute at base, yellowish, with purple spots, 6–10cm, basal 2–3cm ovoid, constricted at apex; limb spreading or slightly recurved, purple, lanceolate, 4–6cm, apex long acuminate. Spadix shorter than spathe, 5–7cm; female zone ca. 3mm; ovary subglobose, 1-loculed, 1-ovuled; stigma subsessile, violet; sterile zone 1.5–2cm, proximal 5–7mm with densely congested staminodes, rest naked; staminodes variously curled, filiform, 3–4mm; male zone cylindric, 6–8 × 1.5–2mm; appendix sessile, erect, narrowly conic, 2–3.9cm × 3–4mm, base truncate.