Eleusine

T. G. Tutin, V. H. Heywood, N. A. Burges, D. M. Moore, D. H. Valentine, S. M. Walters & D. A. Webb, Flora Europaea 5. 1980
but modified
1Annual; with 5-12 slender spikes, 3.5-15.0 cm x 3-5 mm
1'Perennial; with 2-4 thick spikes, 1.5-3.5 cm x 7-15 mm