Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Panicles with 1-3 branches, attached in a single digitate cluster
..2 Lower glumes 2-3-veined; panicle branches 5-7 mm wide; ligule 1-2 mm long, ciliate with hairs 1-2 mm long
..2 Lower glumes 1-veined; panicle branches 3-5.5 mm wide; ligule 0.2-1 mm long, erose