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Author: Jennifer Forman Orth

Invading your brain since 2002.

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Wednesday, June 09, 2004

Pink Robinias

I've been tracking pink robinias this year, which has been especially easy the past few weeks, while they've been in flower. Turns out the plants I see in Metrowest Massachusetts are at least two different species: clammy locust (Robinia viscosa) and bristly locust (R. hispida). Along with the white-flowered black locust (R. pseudoacacia), they are considered native to the U.S., but only the southeastern region. Check out a gallery of pink-flowered specimens I've uploaded here. Some of them seem to combine characteristics of the three species, so perhaps there is some hybridization going on.


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