Tetratheca shiressii
Branches dimorphic, i.e. some glabrous with linear opposite leaves, others pubescent with broader whorled leaves. Pedicels glabrous or nearly so. Sepals glabrous outside or nearly so. Petals 10–12 mm long. Ovary hirsute; ovules 2 per loculus. Ascending to decumbent undershrub. Woronora and Hornsby plateaus. Heath and DSF. Ss. Fl. spring