85 Flowers And Plants Trivia Questions with Answers
85 public questions with answers, drawn from the well. How many can you answer?
Which plant species is commonly called poison ivy?
Answer
Toxicodendron radicans
Which flowering plant is the closest living relative of all other flowering plants?
Answer
Amborella trichopoda
Which plant is the main natural source of the sweetener steviol glycoside?
Answer
Stevia rebaudiana
Which plant family includes the Venus flytrap and sundews?
Answer
Droseraceae
Which water-lily species is recognized as the largest in the world by leaf size?
Answer
Victoria boliviana
Which plant is the botanical source of dragon's blood resin from Socotra?
Answer
Dracaena cinnabari
Which plant did Gregor Mendel use in his famous inheritance experiments?
Answer
Pisum sativum
Which tree species produces the largest trees by wood volume?
Answer
Sequoiadendron giganteum
Which tree species is commonly called the rainbow eucalyptus because of its multicoloured bark?
Answer
Eucalyptus deglupta
Which orchid inspired Darwin’s prediction of a moth with an exceptionally long proboscis?
Answer
Angraecum sesquipedale
Which plant is famous for having just two permanent leaves throughout its life?
Answer
Welwitschia mirabilis
Which tree species is the tallest naturally growing tree in the world?
Answer
Sequoia sempervirens
Which flowering plant has the world’s largest unbranched inflorescence?
Answer
Amorphophallus titanum
Which plant species is the principal natural source of the blue dye historically called woad?
Answer
Isatis tinctoria
Which plant species produces cacao beans, the seeds used to make chocolate?
Answer
Theobroma cacao
Which plant species is the natural source of artemisinin, the antimalarial compound?
Answer
Artemisia annua
Which flowering plant is commonly known as the flame lily?
Answer
Gloriosa superba
Which plant is the botanical source of the spice and food flavoring vanilla?
Answer
Vanilla planifolia
Which orchid species is commonly called the ghost orchid?
Answer
Dendrophylax lindenii
What is the scientific name of the common wheat species used in most bread production?
Answer
Triticum aestivum
Which plant is the source of the spice cinnamon, especially the bark of Cinnamomum verum?
Answer
Cinnamomum verum
Which plant is the main source of the natural blue dye indigo?
Answer
Indigofera tinctoria
Which plant species produces the pineapple, the tropical fruit with a crown of leaves?
Answer
Ananas comosus
Which tree species forms Pando, one of the world’s largest and oldest clonal organisms?
Answer
Populus tremuloides
Which species is known as the world’s largest single flower?
Answer
Rafflesia arnoldii
What is the scientific name of the Venus flytrap, the carnivorous plant native to the Carolinas?
Answer
Dionaea muscipula
Which plant is the source of yerba mate, the caffeinated drink popular in South America?
Answer
Ilex paraguariensis
Which plant is the source of the pungent condiment traditionally made from its grated rhizome in Japan?
Answer
Japanese horseradish
Which plant is the botanical source of the spice green cardamom?
Answer
Elettaria cardamomum
What type of fruit is a strawberry botanically classified as?
Answer
Aggregate accessory fruit
Which tree is the principal commercial source of maple syrup?
Answer
Sugar maple