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 Callus hairs 2-4× as long as the spikelets; leaves evenly disposed on the stem
1 Callus hairs 1-2× as long as the spikelets; leaves basally disposed