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 Fruit slightly compressed laterally (perpendicular to the commissure), not winged; fresh plant with celery-like odor; [widespread in our area]
1 Fruit dorsally compressed (parallel to the commissure), winged; fresh plant with anise-like odor; [endemic to the Central Appalachians of w. VA and e. WV north to w. MD and sc. PA]