Thalia dealbata, commonly called hardy water canna or powdery thalia, is a rhizomatous marsh or marginal aquatic perennial that features long-stalked canna like foliage and violet blue flowers.
Thalia dealbata, commonly called hardy water canna or powdery thalia, is a rhizomatous marsh or marginal aquatic perennial that features long-stalked canna like foliage and violet blue flowers.