The pansy is quite a durable flower, able to survive with little water and freezing temperatures, despite its derogatory use as an "unmanly" or spineless person.
27. Sunflowers can be used to clean up radioactive waste. They are able to extract pollutants, including radioactive metal contaminants, through their roots and store them in the stems and leaves, making them the international symbol of nuclear disarmament.
28. Goldenrod flowers were considered a weed in the United States until the 1980s. They are made of as much as 12% rubber. Thomas Edison experimented to grow a 12-foot Goldenrod. His friend Henry Ford gifted him a model T made with Goldenrod tires.
29. In the 17th century in the Netherlands, there was a tulip flower bubble that allowed tulip traders to earn the equivalent of almost $62,000 a month.
30. The tumbling tumbleweed (Kali tragus), a long-standing symbol of the lonely American West, is actually a foreign introduced species from Asia commonly called 'Russian thistle.'
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Tansy plant was used during the middle ages for abortions.
32. The blossoms of the skunk cabbage can become so hot that they will melt snow and provide a warm haven for insects to encourage pollination.
33. Mimosa Pudica, a plant which instantly folds its leaves when touched or disturbed, is capable to learn and retain the memory of previous experiences.
34. The Foxglove is poisonous to ingest and can cause heart failure, but applying a precise amount can actually make your heart stronger.
35. The flower "Forget me not" was used by freemasons during Nazi Europe to remember the poor and desperate so as not to be singled out and persecuted.
Black tea, green tea, white tea, and oolong tea all come from the same tea plant. The leaves are simply aged and processed differently.
37. There is a plant called "Electric Daisy" whose leaves will make you salivate uncontrollably.
38. Coffee plants lace their nectar with small doses of caffeine, so when insects feed on caffeine-spiked nectar, they become much more likely to remember the scent of the flower and pollinate it further.
39. There is a plant called the Skeleton Flower whose petals turn transparent when wet and then revert back to white when dry.
40. Buttercups are poisonous. The unassuming flowers, if eaten raw, can cause severe blistering in the mouth and intestines as well as bloody diarrhea.
Azalea Bush is incredibly toxic and creates poisonous honey. To send a bouquet of Azalea (and Rhododendron, also poisonous) flowers in a black vase was a well-known death threat.
42. The Alula flower is almost extinct because the Hawk Moth, its only pollinator has disappeared. The few remaining wild plants are being hand pollinated by botanists by hanging on cliff sides.