What is "ancistrachne"

Ancistrachne is a genus of plants in the grass family.

1. Ancistrachne ancylotricha (Quisumb. & Merr.) S.T.Blake - Philippines
2. Ancistrachne maidenii (A.A.Ham.) Vickery - New South Wales
3. Ancistrachne numaeensis (Balansa) S.T.Blake - New Caledonia
4. Ancistrachne uncinulata (R.Br.) S.T.Blake - Queensland, New South Wales; introduced in Fiji