• Scientific Name: Orontium aquaticum L.
• Ref: Sp. Pl.:324. 1753
• Synonyms: Amidena undulata Raf., Aronia aquatica (L.) Baill., Orontium angustifolium Raf., O. vaginatum Raf., Pothos ovatus Walter
• English Common Name: golden-club, floating arum, never-wets, tawkin
• Chinese Common Name: 金棒花 jīnbànghuā, 奥昂蒂 ào’ángdì, 水金杖 shuǐjīnzhàng, 金棒芋 jīnbàngyù
• Family: Araceae
• Genus: Orontium
• Distribution: native in SE US, shallow water of bogs, marshes, swamps, and streams; 0–900 m
• Photo: 04/19/2013, Chenshan Botanical Garden, Shanghai

Roots contractile. Rhizomes 1.5--3 cm diam. Leaves: petiole dark green to red-green, 10--40(--60) cm; blade (6--)10--30(--45) cm, about ±1/3 as wide (greater than 3 cm wide), main veins from base, curving apically parallel to midvein. Inflorescences: spadix bright yellow, 2--10 cm ´ 5--10 mm, apex rounded. Flowers covering spadix; tepals (2--)6, arched over ovaries, yellow; stamens (2--)6, sometimes with 1 or 2 staminodes; ovaries 1-locular, ovules 1. Fruits 1--2 cm diam.; pericarp thin. Seeds 1--1.5 cm diam.; endosperm absent; germinating soon after falling from parent plant. 2n = 26. (Flora of North America, Vol.22)