R. spithamea at Rancho Santa Ana Botanic Garden in Claremont, California on February 9, 2017. In garden bed MT1. I checked the undersides of the older leaves. No rust. These are the new growth leaves. No rust on them either.
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R. spithamea at Rancho Santa Ana Botanic Garden in Claremont, California on February 9, 2017. In garden bed MT1. I checked the undersides of the older leaves. No rust. These are the new growth leaves. No rust on them either.