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 Plant 1-7.5 dm tall; basal leaves lanceolate, 8-20 (-30+) mm wide; involucres 7-15 mm wide; outer phyllaries 4-6 mm long | |
1 Plant 5-20 dm tall; basal leaves elliptic, 100-200 mm wide; involucres 20-40 mm wide; outer phyllaries 12-25+ mm long |