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Name That Annual Flower Quiz
by Staff
Annuals come in a variety of sizes, shapes and colors. Are you an expert on these flowers? Test your botany skills with this quiz.

A plant that performs its complete life cycle in one growing season is called what?

  • perennial
  • biennial
  • annual

All annual flowers have a scientific name as a part of their taxonomy or classification. Which taxonomic divisions do the two Latin names denote?

  • kingdom and phylum
  • genus and species
  • family and genus

True or false: The leaves, roots and stems of annual flowers die each year.

  • true
  • false

What is the common name of the <i>Tagetes erecta</i>, an annual that has showy yellow and orange flowers?

  • African violet
  • annual vinca
  • American marigold

What is the common name of the pink, trumpet-shaped annual flower <i>Impatiens balsamina</i>?

  • bacopa
  • balsam
  • begonia

What is the scientific name of the flowering annual commonly known as the canna lily?

  • <i>Canna generalis</i>
  • <i>Lilium canna</i>
  • <i>Generalis lilium</i>

What is the scientific name of the orchidlike flower commonly known as sky flower?

  • <i>Duranta somnum</i>
  • <i>Duranta erecta</i>
  • <i>Duranta plana</i>

The tropical <i>Euphorbia tirucalli</i> is often grown as an annual. What is its common name?

  • firesticks cactus
  • elkhorn euphorbia
  • Helena's Blush

What is the common name of the frilly yellow, orange and red annual flowers named <i>Tagetes patula</i>?

  • four o'clock flowers
  • fuchsia flowers
  • French marigolds

What is the common name of the bushy, round and purple annual flower <i>Gomphrena globosa</i>?

  • gerbera daisy
  • globe amaranth
  • geranium

The heliotrope is a flowering annual with clusters of small, fragrant white, blue or purple flowers. What is its scientific name?

  • <i>Heliotropium arboretum</i>
  • <i>Heliotropia alba</i>
  • <i>Heliotropium arborescens</i>

Which annual is in the sunflower family?

  • black-eyed susans
  • caladiums
  • American field pansies

What is the scientific name of the Joey plant?

  • <i>Ptilotus exaltus</i>
  • <i>Exaltus ptilotus</i>
  • <i>Ptilotus roseus</i>

What is the common name of <i>Persicaria orientalis</i>, which has pink bell-shaped flowers that bloom in long clusters?

  • kiss me not
  • kiss me over the garden gate
  • kiss me over the fence

What is the common name of the flowering annual named <i>Consolida ajacis</i>?

  • lisianthus
  • licorice plant
  • larkspur

True or false: The <i>Datura inoxia</i> is a flowering annual with blooms that open in the evening and close at sunrise. What is the common name of this flower?

  • moonflower
  • morning flower
  • midnight flower

True or false: <i>Nemesia strumosa</i> is a tender perennial that is often treated as an annual.

  • true
  • false

True or false: The <i>Oxalis vulcanicola</i> "Zinfandel" is a perennial grown as an annual in cooler climates. What is its common name?

  • volcano flower
  • volcanic sorrel
  • vulcan flower

Which is NOT a common name of the <i>Papaver rhoeas</i> annual flower?

  • oriental poppy
  • red poppy
  • Flanders poppy

Which rare petunia species is pollinated by hummingbirds in the wild?

  • <i>Petunia axillaris</i>
  • <i>Petunia integrifolia</i>
  • <i>Petunia exserta</i>

<i>Portulaca grandiflora</i> is a flowering annual that thrives in hot and dry conditions.

  • red moss
  • rose moss
  • rich moss

What is the common name of <i>Antirrhinum majus</i>?

  • snapdragon
  • signet marigold
  • spider flower

The annual flower <i>Lupinus texensis</i> is the state flower of Texas. What is its common name?

  • Texas bluebonnet
  • Texas yellowstar
  • Texas sage

What is the common name of the floriferous South African annual <i>Ursinia anthemoides</i>?

  • sunflower
  • solar fire
  • spirea

Which is NOT a common name of the <i>Verbena bonariensis</i> plant?

  • purple top vervain
  • tall verbena
  • butterfly vervain

Which annual flowers are named for their resemblance to a rooster's comb?

  • wheat cockscomb
  • white cockscomb
  • wax cockscomb

What is the common name of the annual <i>Xerochrysum bracteatum</i>?

  • paper rose
  • paper daisy
  • paper tulip

What is the scientific name of the sun-loving annual commonly known as yellow cosmos?

  • <i>Cosmos solis</i>
  • <i>Flavum cosmos</i>
  • <i>Cosmos sulphureus</i>

True or false: The annual flower<i> Zinnia elegans</i>, or common zinnias, attract butterflies.

  • true
  • false

Who named the Zinnia genus after fellow botanist Johann Gottfried Zinn?

  • Gregor Mendel
  • Carl Linnaeus
  • Joseph Banks