No key was found for the requested taxon, but it has only one child: Apium graveolens. Showing where it is keyed below.

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.

Key to Apium

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1 Involucel absent; fresh plant smelling of celery; stem solid
1 Involucel present; fresh plant not smelling of celery; stem hollow