Johns Hopkins Medicine researchers report they have genetically mapped the cell types that make up the mouse iris — the thin disc of pigmented tissue that, in humans, gives eyes their distinct colors.

Johns Hopkins Medicine researchers report they have genetically mapped the cell types that make up the mouse iris — the thin disc of pigmented tissue that, in humans, gives eyes their distinct colors.

(Other types of iris grow from bulbs and have different ... and keep one or two of the younger iris leaves with each rhizome cutting. Throw away the older center. Before replanting, work a handful ...

Learn more about Iris flower types and facts. Overcrowded iris plants ... the flowers stay wedged in the base of the leaves instead of coming up on stems. What causes this?” ...

Sudden death or rot of iris leaves may be a good indicator a borer ... the later — the bigger. Always know the type of the root system you are digging. Taproot plants like baptisia shouldn ...