Carol Klein’s Plant Odysseys – Tulips episode 2

There are 6,000 delightful varieties of tulips in the world today, with new colours and forms being cultivated every year. Carol Klein's odyssey to uncover the colourful history of this popular flower begins high in the mountains of eastern Turkey, where a species tulip, one of the early ancestors of those we grow in our gardens, can be found flourishing in the harshest of environments, a feat only possible due to its extraordinary evolution. Thermal-imaging cameras reveal a small pocket of warm air trapped inside the flower's petals, giving visiting pollinators a cosy place to rest their flight muscles.
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