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Genus Hemizonia Family Asteraceae

Description: Annual, biennial, or short-lived perennial herbs, glandular hairy and aromatic.

Leaves alternate or opposite (lower usually opposite), entire to toothed or pinnatifid.

Heads many, small, axillary and terminal; heads subcylindric, ovoid to narrow- campanulate; involucral bracts in 1 row, the lower part enfolding ray achenes, the upper part flat; receptacle with scarious non-persistent bracts. Ray florets few to many, fertile, ligules usually inconspicuous. Disc florets bisexual, sterile, tubular.

Ray achenes with the back broad and rounded, turgid, each enclosed in lower part of subtending bract, pappus absent. Disc achenes abortive, with pappus of short scales or absent.


Distribution and occurrence: World: 31 species, California. Australia: 1 species (naturalized).

Text by L. Murray
Taxon concept:

One species in NSW: Hemizonia pungens

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