Blooming clocks

日期:2017-12-18 07:30:43 作者:司城尾 阅读:

By Barry Fox The Invention Promotion company of Amsterdam has patented a flower garden that functions as a clock—a modern version of an idea thought up by Linnaeus, the 18th-century Swedish botanist and father of taxonomy (WO 98/ 22855). The flowers of catnip open between 6 am and 7 am, orange hawkweed follows between 7 am and 8 am, field marigolds open up at 9 am, and varieties of Helichrysum wake up for 10 am. Other varieties follow,