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 Stamens usually 6; floating leaves 10-30 mm long, 1-4 mm wide
1 Stamens usually 3; floating leaves 10-15 mm long, 0.5-1 mm wide