Annual herb, erect, aromatic, densely branched, up to 60 cm high.  Leaves pinnatisect, with linear segments; flower capitula 2.5 cm in diameter, on short terminal peduncles; ligules white, emarginate.  Achenes with 3 to 5 ribs, not very apparent.

There are major nomenclature problems with this genus and numerous synonyms exist for this species¹.

Herb or semiwoody monecousshrub, 1-3 m high, with large, tuberous roots.  Leaves alternate, spirally arranged, palmately 3-9 lobed, obovate-lanceolate, 4-20 cm x 1-6 cm, glabrous above and glaucous below, petiole 5-30 cm; inflorescence terminal cymose panicles; female flowers on pedicels 7-12 mm long, calyx lobe 7.5 – 10 mm long, male flowers on pedicels 4-6 mm long, calyx lobes 2-5 mm long, female flowers lower than the male flowers; fruit a dehiscent, globose capsule, 1.5 cm in long; seeds gray mottled,ellipsoid, ca.12 mm long.

Tree evergreen, 10-15 m high with a dense, rounded crown of foliage, bark resinous.  Leaves alternate, simple, spirally arranged, lanceolate-elliptical, 10-25 cm x 2.5-8 cm; inflorescence a terminal panicle ca 30 cm long; flowers 5-8 mm in diameter, greenish or yellowish, fragrant; fruit a fleshy drupe, ellipsoid to obliquely reniform, 5-15 cm long.

Tree, up to 20 m high.  Leaves opposite, 8-25 cm x 10 cm, elliptic to obovate, glossy, dark green with pellucid dots, exuding a milky sap when broken; Flowers axillary, solitary or few together, fragrant, with white obovate petals ca. 20 mm long; fruit a globose drupe ca. 15 cm in diameter, skin rough, brown and thick; seeds 1-4 fibrous coated stone embedded in sweet, yellow pulp.

Annual, erect or decumbent herb up to 2 m tall with glandular hairs with characteristic strong odour.  Leaves petiolate, spirally arranged, pinnate, leaflets ovate, ovate-lanceolate, margins serrate-dentate, tip acute.  Inflorescence cymose; flowers actinomorphic, calyx deeply divided, segments lanceolate, pilose-glandulose, corolla yellow, 10 to 16 mm wide; fruit a globose berry, red when ripe, 1-15 cm in diameter.