how is Lewisia and Heliconia connected?
Lewisia Lewisia is a plant genus, named for Meriwether Lewis who encountered the species in 1806. The native habitat of "Lewisia" species is north facing cliffs in the western part of North America. Local Native Americans ate the roots, which have also been used to treat sore throats.
Helicoplacus Helicoplacus (often misspelled Helioplacus) is the earliest well-studied fossil echinoderm. Fossil plates are known from several regions. Complete specimens were found in Lower Cambrian strata of the White Mountains of California.