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Rare Plants Quiz
by Staff
Endangered animals get most of the headlines, but plenty of interesting plants are also facing extinction. How much do you know about rare plants of the world?

What color is the western underground orchid?

  • black
  • maroon
  • yellow

True or False: The western underground orchid cannot photosynthesize its own food.

  • true
  • false

In which country might you find the Attenborough's pitcher plant?

  • Vietnam
  • Philippines
  • England

When was the Attenborough's pitcher plant discovered?

  • 1907
  • 2007
  • 1977

Where would you have found the chocolate cosmos, which is now extinct, in the wild?

  • Panama
  • Chile
  • Mexico

How long do suicide palms live?

  • about eight years
  • about 50 years
  • about 100 years

How many suicide palms are there in the wild?

  • roughly 100
  • roughly 1,000
  • roughly 10,000

A perennial herb called the showy stickseed grows only where?

  • a single canyon in Washington state
  • a 3-acre tract of desert in New Mexico
  • a swamp in Louisiana

True or False: Rare ghost orchids are relatively easy to cultivate.

  • true
  • false

The Mammillaria herrerae is a type of cactus better known as what?

  • golf ball cactus
  • balloon cactus
  • atomic bomb cactus

In the past two decades how much of the golf ball cactus population has disappeared?

  • 35%
  • 75%
  • 95%

Why is the emerald vine, from the Philippines, a prized plant?

  • It repels mosquitoes.
  • It is used for medicine.
  • It has a vibrant color.

True or False: The rare Parrot's Beak can be cultivated by humans.

  • true
  • false

Why do collectors illegally harvest the Venda cycad?

  • for ornamental purposes
  • for medicinal purposes
  • for an aphrodisiac

Menzies' wallflower is found only on the coast of which state?

  • North Carolina
  • Maine
  • California

After being considered extinct, how many of the Gibraltar campion were found in 1994?

  • 1
  • 9
  • 13

How many of the Pennantia baylisiana trees are left in the wild?

  • 1
  • 3
  • 6

The jellyfish tree was thought to be extinct until when?

  • the 1970s
  • the 1930s
  • the 1890s

Where does the jellyfish tree make its home?

  • in deep tropical soils
  • on windblown sand
  • on granite hills

What kind of plant is the fadang?

  • cactus
  • cycad
  • fern

When did the Franklin tree become extinct in the wild?

  • early 1800s
  • early 1700s
  • early 1600s

What is the common name for Acacia anegadensis?

  • poke-me-boy
  • poke-me-girl
  • Pokemon

What color are the blossoms of the Franklin tree?

  • violet
  • orange
  • white

Kokia cookei trees are pollinated mostly by what?

  • wind
  • birds
  • bees

When it blooms, rafflesia arnoldii smells like what?

  • roasted peanuts
  • fecal matter
  • rotten meat

How long do the blossoms of the corpse flower last?

  • about 24 hours
  • about a week
  • about a month

How tall are the biggest corpse flowers?

  • about 12 inches
  • about 12 feet
  • about 20 feet

Cladonia perforata lichen are found in which U.S. state?

  • Florida
  • Colorado
  • Montana

Before being found again, for how long was the Ascension Island parsley fern considered extinct?

  • 50 years
  • 100 years
  • 150 years

How many of the Ascension Island parsley ferns did scientists find in 2009?

  • 60
  • 18
  • 4