Robust perennial herb to 1.5 m tall, forming large clumps; leaves mostly in 1-3 pairs in the basal 1/4 of the plant, petioles 5-10 cm long, blades broadly ovate to more or less circular, thick, leathery-succulent, glaucous pale bluish-green, smooth; inflorescence widely paniculate, forming the distal 3/4 of the plant, the internodes with sticky glutinous bands; flowers borne singly or in few-flowered clusters; perianth funnelform, 5-lobed, slightly zygomorphic, white to very pale pink, about 3 cm long; stamens 3, about twice the length of the perianth, lavender-pink; style exserted slightly beyond the anthers, lavender-pink; fruit biturbinate, 5-8 mm long, 3-4.5 mm wide, with 10 irregular longitudinal ridges and with an equatorial wing 0.8-1.2 mm wide. Flowers June to October.