| SCIENTIFIC NAME: | BAUHINUS MARGINALIS |
| VERNACULAR NAME: | BISTORT RUST |
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| Fig 1 |
| DESCRIPTION | No other species grows on the leaves of Bistort in such a manner with the edges of the leaf somewhat mis-shapen and blistered powdery dark brown. |
| SPORES | Dark brown, globose to sub-globose, with low warts. (Link) |
| HABITAT | On leaves of Common Bistort. |
| SEASON | Extremely rare. May to July. |