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 Flowers (1-) 6-15 (-20) per stem; stem 1.5--15 (-22) cm tall; pedicels 1-7 (-15) cm long, similar in length to the stem axis; [periphera to our region, s. IL, c. OK, and nc. TX northwards and westwards]