Araceae
Amydrium sinense (Engl.) H.Li
SUMMARY
Stem slender, 3–5mm in diam.; internodes 3–5cm. Petiole elongated, 8–15cm, base sheathing; leaf blade light green, after drying black-brown, falcate-lanceolate, 13–23 × 5–8cm, strongly asymmetric, one side usually 2 × as wide as other, base broadly cuneate or subrounded, margin entire, apex acute; lateral veins many, diverging at 30° from midrib, contracted near margin into a marginal vein. Peduncle pale green, ca. 5.5cm. Spathe initially green, inrolled fusiform, ca. 7cm, middle part ca. 2.2 cm in diam., finally spreading, yellow-green to yellow, cymbiform, subovate, 8–9 × ca. 11.5cm. Stipe of spadix 5–10mm; spadix obovoid, ca. 4 × 1.8cm, angustate toward base, apex obtuse. Filaments ca. 4mm; anthers oblong, ca. 3mm. Ovary 5- or 6-angular, cylindric, ca. 4 × 5mm, apex truncate; stigma sessile, nearly circular, 1-loculed, 2-ovuled; ovules sub-basal, transversely inserted. Berry green, when mature yellow or red, and bad smelling. Seeds 1 or 2, brown, obovoid-reniform, ca. 2 mm.