A herb. It has a stout single stem. It is erect and 1.8 m high. It has a milky latex when damaged. It is densely leafy. The leaves have short stalks. The leaf blade in oblong but broader at the base. The edges are wavy. They are 15 cm long by 5 cm wide. The flowers are in groups on the sides of the plant. They are pale yellow or greenish. They have erect lobes and white hairs at the tip. The fruit are leathery and flattened. They are 13 cm long by 4 cm wide. They have wavy hairs 2 cm long. The fruit can occur singly or in pairs.
Perennial herb, 0.9-1.5 m high. Leaves 4-14 times as long as broad, lanceolate or ovate-lanceolate, margins undulate; pubescent. Umbels pedunculate, lateral and terminal. Corolla lobes erect or suberect, pubescent outside; densely white-pubescent at recurved tips on inner face. Flowers dull green; corona dull white, tinged with purple.
Sturdy, erect, leafy perennial, 0.5-1.8 m; sap milky. Leaves opposite, ovate-lanceolate, obtuse, somewhat leathery, slightly undulate on margins. Flowers greenish, petals with tips recurved and densely white-pubescent inside.