Citation: A.L. Juss., Gen. Pl. 186 (1789).

Derivation: Latin flavus, yellow; a yellow dye is made from a Chilean species.

Synonymy: Not Applicable

Common name: None

Description:
Annual and perennial herbs; stems terete; leaves cauline, opposite, sessile, flat, simple, entire to dentate.

Inflorescence a terminal compound head of many capitula aggregated on a flat minute general receptacle, sessile, hemispherical, with a common involucre of unequal leaf-like bracts; capitula heterogamous, with narrowly cylindrical involucres; capitular involucral bracts few, free, subequal, scarious; receptacle minute, naked; ray floret solitary or absent, female, fertile, ligulate; style branches obtuse, glabrous; disk florets few, bisexual, fertile, tubular, 5-merous; anthers obtuse at the base, with ovate apical appendages; style branches truncate, papillose at the apex.

Achenes linear, ribbed, slightly flattened; pappus absent.

Distribution:  1 species native to Australia, and about 15 in North and South America.

Biology: No text

Author: Not yet available