Iris virginica ( Bearded Iris )
Bearded Irises have thick surface rhizomes , yield rise to fans of brand - shaped , normally tolerant green leaf , and simple or branched flower stems . Most bear multiple flowers per stem . The efflorescence have well - developed standards and falls , with a large “ face fungus ” of white or non-white hairs in the center of each fall petal . void high nitrogen fertilizer . Keep mulches away from leaf and rhizome ....