| Arrow root | |
| Bent alligator-flag | |
| Alligator Flag | |
| Fire Flag | |
| Red Stemmed Thalia |
| Plant Habit: | Fern |
| Life cycle: | Other |
| Sun Requirements: | Partial Shade to Full Shade |
| Minimum cold hardiness: | Zone 8b -9.4 °C (15 °F) to -6.7 °C (20 °F) |
| Maximum recommended zone: | Zone 9a |
| Leaves: | Semi-evergreen |
| Flower Color: | Other |
| Flower Size: | 5"-6" |
| Flower Time: | Late winter and early spring Spring Late spring or early summer |
| Inflorescence Type: | Verticillaster |
| Underground structures: | Corm |
| Uses: | Water gardens |
| Resistances: | Humidity tolerant |
| Propagation: Other methods: | Cuttings: Cane |
