Richard Pearce tries to explain why did the Polygonatum flower get the name Solomon’s Seal in his video:
His pdf version is on:
You"ll see some of my photographs from 6:13 minutes.
This blog (by Zeev Barkan) is dedicated to the Star of David, its history, its various meanings and usages in different cultures. It includes thousands of pictures of Star of David, six-pointed stars, hexagrams, Solomon's Seals, Magen Davids and yellow badges,and served as a resource for three books and four art exhibitions.