When is a grass not a grass? Oct 23, 2019 When it’s an Acorus. Sure, it looks like a grass – it’s even earned the “grassy-leaved” moniker among sweet flag fans – but this is a plant all its own. It was gently evicted from the Arum family (home to Arisaema and calla lily), as it’s loathe to produce true spathes, and granted its very own family, Acoraceae. But the confusion continues when you note that its specific epithet comes from the Latin word meaning… you guessed it, grass!For an added bonus, Acorus foliage offers an especially sweet scent that’s the perfect touch for any garden, container or patio pot – and of course Japanese gardens, as the name suggests. #Acorus Share This Article