We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
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 Leaves flat or terete, to 200 cm long; plants of fresh or brackish waters; [collectively widespread].
2 Leaves flat, with a notched or tricuspidate apex; stipules absent, or if present, either free or adnate to the leaf base and forming a sheath for < 10 mm; flowers solitary; pistils 2