1 Young sunflowers are heliotropic – their heads track the Sun as it moves across the sky, so they're always facing it.
2 Southeast Asia's bat flower has long, hanging whiskers and dark petal-like leaves that spread out like a bat's wings.
3 The metre-wide stinking corpse lily, which grows in the rainforests of Southeast Asia, smells like rotting meat when it blooms.
4 In its search for nectar, a hummingbird can visit 1,000 flowers in a day.
5 When the flowers of Palicourea tomentosa open, they resemble bright red lips.
6 Some Dracula orchids, from Colombia in South America, look like little monkeys. Their ‘eyes’ are the flower parts that contain pollen.
7 Every two years, volunteers in Brussels, Belgium, build a massive ‘carpet’ made of up to a…