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 Primary leaves of mature (fertile) plants basal (the stem with reduced, bracteal leaves subtending the inflorescence); leaf segments > 3 cm wide; flowers > 4 cm across, (1-) 3 (-5) per inflorescence.
..2 Bracts subtending the inflorescence simple, entire; sepals bright white to pinkish