| Plant Habit: | Vine |
| Life cycle: | Annual |
| Minimum cold hardiness: | Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F) |
| Maximum recommended zone: | Zone 2 |
| Inflorescence Type: | Catkin |
| Underground structures: | Bulb |
| Dynamic Accumulator: | S (Sulfur) Si (Silicon) |
| Conservation status: | Endangered (EN) |
