Amaranthaceae >
Perianth segments scarious; filaments often connate at the base Amaranthaceae
Leaves opposite
Perianth segments, bracts and bracteoles rigid, acute, often spinescent
Perianth segments 4 Nyssanthes
Stamens usually 2. Plants usually diffuse, very similar to N. erecta but smaller in all its parts. Coast to Blue Mts; Illawarra district; uncommon elsewhere. Weed of disturbed ground, sometimes on RF margins. Barbwire Weed Nyssanthes diffusa