George Bentham, however, revived the name in his 1846 entry on these plants in Augustin Pyramus de Candolle's Prodromus Systematis Naturalis Regni Vegetabilis.

[8][9][10][11] In 1911 the Californian botanist Willis Linn Jepson raised the section Hemistegia up to the level of subgenus.

[12] Although the ICBN was accepted throughout the world, an exception was in the United States where a number of botanists rejected the new rules, and as such, when a new species in the group was added by the Californian botanist Roxana Stinchfield Ferris in her 1918 monograph on the genus, she ignored the modern rules of nomenclature and named her new species Adenostegia palmata.

In 1950 Chloropyron tecopense was described (as Cordylanthus tecopensis) by Philip Alexander Munz and John Christian Roos.

[3] These are small annual herbaceous plants coloured green or greenish-grey, often tinged in red or purple due to anthocyanins.