Hydrophyllum appendiculatum
Great Waterleaf
| Family |
| Hydrophyllaceae |
| Genus |
| Hydrophyllum |
| Species |
| appendiculatum |
| USDA Hardiness Zone |
| 5a - 7b |
| Canadian Hardiness Zone |
| 5a - 7b |
| RHS Hardiness Zone |
| H7 |
| Temperature (°C) |
| -29° - -15° |
| Temperature (°F) |
| -20° - 5° |
| General Description |
| Biennial herb that grows to 0.6m. |
| Bark/Stem Description |
| Stem leaves are palmately divided, equally long as wide. |
| Leaf Description |
| Leaves are arranged in a basal rosette. The leaf is 1½ - 2 times as long as wide. 0.5mm long hairs cover the leaf. |
| Flower Description |
| Corolla 9-13mm long. 5 lobed to middle, lavender or pale pink in colour. Calyx is 5-lobed near to the base; 5 stamens. Protrudes 1-3mm with 1 pistil. Blooms late April to early July. Arranged in inflorescences with thin hairs. |
| Notable Specimens |
| Point Pelee National Park, Ontario, Canada. |