The next piece of Esplanade art is "Stack Stalk", a tall skinny object near Alluvial Wall. The description from its sign:
"Part smoke stack, part sheaf of wheat - Stack Stalk is a beacon holding a Japanese glass fishing float from the coast up to the sky."
The city's page about the Esplanade says:
At the north end, Stack Stalk, also by Ean Eldred, is a hybrid beacon - part masthead, part wheat stem, part smokestack. Made of rolled steel tubes and a stainless steel basket, it suspends a Japanese glass fishing float in the sky as a reminder of the river's connection with the Pacific Ocean.
If anything there's even less on the interwebs about Stack Stalk than for Alluvial Wall. It got a quick mention in a Willamette Week Dr. Know column a while back, in which Orville B. of Portland asks why so much local art is so phallic-looking. A post at Culture Shock elaborates on that and includes photos. Of the art, I mean. I would imagine that, even today, a substantial majority of public art commissions go to male artists, so that might have something to do with it. Or it could all be a big case of pareidolia, except with genitalia instead of faces. Could be, could be. Dunno.