This week’s featured flower resembles a common garden planting, but wild petunia (Ruellia humilis) is native to much of the U.S. east of the Rocky Mountains. In Wildflowers of the Tallgrass Prairie, Sylvan Runkel and Dean Roosa note that this plant can grow “in a variety of habitats, from open woodlands to moist prairies to sand plains.” According to Iowa naturalist Leland Searles, the petunias often grown in gardens are in the nightshade family (Solanaceae) and have alternate leaves. Wild petunia is a member of the acanthus family (Acanthaceae) and has opposite leaves.
Also known as hairy wild petunia, this plant isn’t hard to grow in a garden, according to the Illinois Wildflowers website. A related species called smooth wild petunia has similar blossoms but smooth leaves.
I’ve posted below several pictures of wild petunia blooming, along with a couple of flowers I hope the Bleeding Heartland community will help me identify. As a bonus, I included a shot of fruit growing on May apples, also known as umbrella plants. May apples are one of my favorite spring wildflowers, but deer or other wildlife tend to eat all the fruit from the plants closest to my corner of Windsor Heights. I was lucky to find a stand of untouched May apples a couple of weeks ago while hunting for black raspberries. Supposedly you can make preserves from ripe May apple fruit, but I’ve never tried it, nor have I tried eating the fruit raw. This blogger found out the hard way that the seeds are toxic.
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