scorpion's tail, Heliotropium angiospermum

What better example of a scorpioid flower style than scorpion's tail? Scorpioid flower spikes bloom from the bottom up, and uncurl as they go. This method of flowering occurs in several different familes of plants. One suspects the advantage is that it helps to protect the developing buds. Scorpion's tail was used by people of the West Indies in treatments for skin problems and in eyewash. Scorpion's tail is native in FL and TX. Lee Co FL, 1/24/13. Borage family, Boraginaceae.