Botany Trivia Questions
Total Questions: 216
What type of plant is the night-blooming Cereus, which is closely related to the Saguaro?
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cactus
What vegetable's name is derived from the Latin words for 'stalk' and 'flower'?
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cauliflower
What type of flower did Dutch growers unveil in 1997 that is named 'Blackjack' and is known for its dark color?
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tulip
What is the name of the lucky Irish 3-leaf clover that comes from an Irish word for 'clover'?
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shamrock
What tree is scientifically classified as Quercus virginiana?
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oak
What is the name of the American tree, Castanea dentata, that has almost been wiped out by a blight?
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chestnut
What pigment's loss causes chlorosis, turning leaves yellow?
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chlorophyll
What berry, also known as tangleberry, has 10 hard seeds and would likely be recognized by Mark Twain?
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huckleberry
What type of legume can be known as 'crimson', 'sweet' and occasionally have four leaves?
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clover
What type of coniferous tree, which includes pines, firs, and cedars, can be either broad-leafed or needle-leafed?
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evergreen
What is the name of the fruit of the oak tree that varies in length from less than 1/2 inch to over 2 inches?
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acorn
What substance, often yellow or orange, is transferred from flower to flower by wind, birds, and insects?
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pollen
On which continent can you find a 'violet' that will bloom year-round if given enough light?
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africa
What is the fruit produced by an oak tree?
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acorn
What popular patio flower derives its name from the Greek word for crane?
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geranium
Which flower is named after King George III's royal gardener, William Forsythe?
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forsythia
What term does Britannica use to describe any plant growing where it is not wanted?
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weed
Which giant grass species can grow as much as 21 feet in one week?
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bamboo
Which type of tree has hundreds of species that all produce acorns?
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oak
What do tulips and daffodils grow from when planted in the fall?
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bulb
What type of flower are the Rubaiyat and Chrysler Imperial hybrid tea varieties of?
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rose
In which plant does the colorless substance indican turn blue in air and is used as a dye?
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indigo
What is the state flower of Massachusetts that shares its name with the ship that brought the Pilgrims to the New World?
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mayflower
Which flower, known for its foliage, fragrance, and hips, has been cultivated since ancient times?
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rose
What desert plant has two varieties named for holidays, specifically Christmas and Easter?
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cactus
What flower is celebrated every May in a festival in Holland, Michigan?
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tulip
What aromatic herb, scientifically named Origanum vulgare, is commonly referred to as wild marjoram?
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oregano
Which flower is most important for medicinal purposes due to the production of opium?
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poppy
Which flower is named after the botanist Dr. Alexander Garden?
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gardenia
What thorny garden flower had the 'New Dawn' species become the first plant to receive a patent in 1931?
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rose
What is the name of the sour yellow fruit that has a Lisbon variety with few if any seeds?
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lemon
What part of a plant is lost prematurely due to defoliation, often caused by drought or high wind?
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leaves
What orange vegetable is Queen Anne's lace considered the ancestor of, with roots resembling it?
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carrot
What legume holds the record as the largest in the U.S., with a 3 11/16-inch specimen grown in Georgia?
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peanut
What parts of a raffia palm can grow up to 65 feet, making them the longest on any plant?
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leaves
What is the name of the vine with showy purple or white flowers named after U.S. anatomist Casper Wistar?
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wisteria
What is the thorned flower that includes popular varieties such as the Mister Lincoln?
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rose
What is the flower commonly called when it is shortened to 'mum'?
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chrysanthemum
What flower is commonly referred to as 'mum'?
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chrysanthemum
What herb did the Romans name 'rosmarinus' because it thrives near salt water?
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rosemary
In which country is the unusual-looking wildflower known as Kangaroo Paw native?
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australia
What type of flower is named after Michel Begon, a French governor of Santo Domingo?
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begonia
What is the green pigment that all algae contain to perform photosynthesis?
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chlorophyll
Which common garden flower derives its name from the obsolete French word for tobacco, petun?
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petunia
What species of giant grass can grow up to 120 feet tall and 12 inches wide?
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bamboo
What variety of squash is named for its resemblance to the fruit of an oak tree?
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acorn
What product is widely obtained from the seeds of the safflower?
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oil
The stalk of a leaf turns it to the best position relative to what?
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sun
What flower, a popular source of tea, was named for Jesuit and botanist Georg Kamel?
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camellia
What herb has the scientific name Mentha piperita?
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peppermint
What is the official flower of Turkey that is often mistakenly associated with the Netherlands?
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tulip
What thorny bush produces a berrylike fruit known as a hip that is an important source of vitamin C?
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rose
What compound found in the bark of the cinchona tree is used to treat malaria?
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quinine
What term describes any plant, such as crabgrass, that grows where it is not wanted?
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weed
What is the name of the largest cactus in the U.S., also known as the giant or monument?
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saguaro
What is the green plant pigment that continues to absorb light even when extracted and dried?
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chlorophyll
Spruce, fir, and hemlock belong to what is considered the largest and best-known conifer family?
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pine
What is the family name of the black-wood tree to which the persimmon is the only native U.S. member?
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ebony
Through transpiration, what substance can some trees lose up to a ton of through their leaves in a single day?
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water
What green vegetable has a 'heading' variety that resembles cauliflower?
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broccoli
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