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.
Click images to enlarge and show more photo credit.
Key to Triplasis
Poaceae
Triplasis
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=39811
1 Lemma awn 0.5-1.5 mm long; culm internodes glabrous to minutely scaberulous; annual (or rarely perennial)