Scleranthus biflorus (R.J.Forst. & G.Forst.) Hook.f.

Flowers in pairs. Calyx lobes 4, less than 1 mm long; stamens 1. Ovary pyriform in shape. Leaves linear-subulate, c. 5 mm long, sometimes clustered. Small, densely branched, perennial herb, sometimes forming a mat or cushion. Blue Mts and Otford. Roadsides and grassy banks. Fl. spring–summer. Twin-flowered Knawel