Herb or subshrub, up to 80 cm tall, with white milky latex. Leaves opposite, elliptic or oblong 2-7 cm x 1.5cm; Flowers in 2-3 clusters or solitary, with 5 petals, ranging from white to greenish-yellow to rose-pink to reddish purple, and corolla tube inflated below the limb; fruit a follicle, cylindrical, 1.5-3.5 cm long.

Tree up to 25 m tall. Leaves simple, opposite in whorls, ovate-lanceolate 5-14 cm x 2-5.5 cm; inflorescence a panicle, flowers 2.5-3cm long x 3-3.4cm wide, white with pink lobes, yellow inside, with purple lines and yellow bands; fruit a capsule 35-77 cm x 4 mm; seeds feathery at both ends.

Small tree, short-lived, soft-wooded, single-stem with milky sap, rarely with branches; Leaves alternate, palmate, seven-lobed, bunched at the top with petioles, 20-60 cm long; male flowers born on long pendant racemes or panicles ca.10 cm long; female flowers 1-3 in short cyme with greenish-yellow corolla, petals in spiral; fruit globose or subglobose ca 30 cm in diameter, yellow to orange, with milky sap numerous black seeds with a pulpy coat.

Biennial herb, almost without stem before flowering.  Leaves pinnatifid, up to 60 cm long, with terminal lobe larger and rounded and the lower lobes smaller; inflorescence a raceme, flowers with four yellow petals; fruit dry, dehiscent; roots globose or elongated, skin white, white and purple, green or yellowish, the flesh white or yellow.