Iris delavayi is a species in the genus Iris, also the subgenus Limniris and in the series Sibiricae. It is a rhizomatous herbaceous perennial, from various provinces in China. It has grey-green leaves, long hollow stem, and 2 flowers in various blue shades. From dark violet, dark purple, purple-blue, dark blue to light purple. It is cultivated as an ornamental plant in temperate regions.
Iris delavayi is larger and more vigorous in growth than Iris sibirica.It has stout, creeping rhizomes (about ...
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