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 Sepal margins lacerate-fimbriate; outer sepals often much shorter than inner sepals (usually by 0.1-0.5 mm); tips of the outer sepals with longest mucro (0.1-) 0.2-0.4 (-0.5) mm; [of FL and Cuba (Isla de la Juventud)]
1 Sepal margins entire or frayed (not lacerate-fimbriate), outer sepals subequal to slightly shorter or longer than inner sepals (usually by 0-0.2 mm); tips of the outer sepals acute to obtuse or retuse-obcordate; with longest mucro or apicule 0-0.1 mm; [of se.VA south to s. FL, west to e. LA]