Aquaplortatus stagnumculmus
Water levels in zone I1 varied seasonally, which is a risk for polyphs in shallower depths. Aquaplortatus stagnumculmus, a descendant of Aquaplortatus stepiensis, shirks this risk by specializing in growing at deeper depths.
2-2.5 meters tall
Originated in Zone I1 (30+ meters deep)
Aquaplortatus stagnumculmus grows to twice the height of its ancestor, which helps them reach sunlight and outcompete polyphs in deeper waters. This restricts them to areas that are 30 meters or more in depth as their height puts them at greater risk of being exposed when water levels recede. Like its ancestor, Aquaplortatus stagnumculmus consists of several supporting stems that joins to form the communal stem, which bears the leaves and reproductives.
Aquaplortatus stagnumculmus retains its ancestral ability to store and secrete excess salt, causing its growth to slow in the dry season, and the filter membrane that prevents salt uptake in the roots. Reproduction has not changed from the ancestor: green inornate flowers below the leaves are pollinated, each forming a single seed that drops onto the substrate to grow a new polyph.