July 20, 2020

When the description of a wildflower uses feet instead of inches, you know you have a colossal plant! And at this one spot on the backwaters of the Mississippi River in Houston County, Minnesota I found 3 stands of blossoming behemoths! Where am I? The Amazon?

Backwaters of the Mississippi River above the Reno, Minnesota dike (Reno Landing)

I was meandering back from Iowa where I had dropped off the boys for a week of “Nana Camp” at Bridget’s mom’s. The night before I camped at Minnesota’s Beaver Creek Valley State Park. It is in Houston County which is the southeasternmost county in the state. This is in the “driftless” region, an area that was missed by all of the last glaciers of the Ice Age and retains its high hills, meandering creeks, coulees and valleys. It is an area pockmarked with limestone caves in the karst topography. The hardwood forests have more in common with the southern midwest than the rest of Minnesota. As a result there is a plethora of unique species to Minnesota in this region.

I stopped at the Reno Landing on the Mississippi River to explore the dike and look for Minnesota’s rarest lizard (future blogpost!) when I noticed my first “mega-flower.”

The massive size of the flower is hard to comprehend without something to compare it to. But unfortunately I didn’t have my kayak with so I couldn’t get near the flowers.

It was the huge blossom of the American Lotus (Nelumbo lutea). The flower itself can be as big as your head (4 to 8 inches across) and the leaves dwarf the flowers at one to two feet across!

At first I wasn’t even sure this was a native plant, but a quick check of my Minnesota Wildflowers app on my iPhone confirmed that it is indeed Minnesota’s largest native wildflower. This was Lifer Number 1 (a species I had never seen in my life before).

The American Lotus is only found along backwaters of the Mississippi and Minnesota Rivers and a few inland lakes (Lake Minnetonka) in Minnesota. And their populations seem to be ephemeral, and not blooming every year.

I wish I would have brought my kayak to actually get up close and personal with these aquatic mammoths. Next summer!

I then spotted a flower I had never seen before. Lifer Number 2. I didn’t even know where to start looking in my Peterson Field Guide nor my iPhone app to identify this monster. It emerged in a cluster from the backwaters to a height of three feet. Atop a stalk was a showy umbell of stunning magenta blossoms with 6 petals (or was it 3 sepals and 3 petals?) maybe half a foot across.

Blossoms of Flowering-Rush (Butomus umbellatus) are held in an umbel of stalks.

Once I got home, my copy of Field Guide to Wisconsin Streams came to the rescue; the plant was Flowering-Rush (Butomus umbellatus), a non-native species that is in the Flowering-Rush family (Butomaceae)

Flowering-Rush (Butomus umbellatus)
Flowering-Rush (Butomus umbellatus)

Then on the way out I spotted a huge and robust stand of Pickerelweed (Pontederia cordata). Hundreds of purple-blossomed spikes stood a couple feet above the dense tangle of large arrowhead-shaped leaves.

Dense stand of the large and robust Pickerelweed (Pontederia cordata)
The spike of blossoms of Pickerelweed (Pontederia cordata)

In the next post I will show a few photos of the lizard I found at this site.