I mention that the US Soil Conservation Service introduced and used Pentzia incana for erosion control back in the 1930s. And, I remembered that in 1980 at my first nursery gig, karoo bush was in the horticulture trade. Back then I thought that it was a pretty plant. Well, it is a pretty plant, but hello, if it spreads from seed into native habitat then that’s not good. Go native, Mister Mesquitey! Okay, okay, I will, er, I did. The photos are mine and taken the day described. I snapped them quickly to remind me to look up Pentzia when…