Pilea Peperomioides Trivia Questions and Answers

1: What is the common name for Pilea peperomioides?
A: Chinese money plant
B: Brazilian pennywort
C: Indian coin plant
D: Japanese yen plant
Correct Answer: A
Explanation: Pilea peperomioides is commonly known as the Chinese money plant.

2: In which botanical family is Pilea peperomioides classified?
A: Piperaceae
B: Rosaceae
C: Urticaceae
D: Asteraceae
Correct Answer: C
Explanation: Pilea peperomioides belongs to the Urticaceae family.

3: Which Scottish botanist was the first westerner to collect Pilea peperomioides?
A: George Forrest
B: Charles Darwin
C: Joseph Banks
D: David Douglas
Correct Answer: A
Explanation: George Forrest was the first westerner to collect this plant in 1906.

4: Where is Pilea peperomioides native to?
A: Japan and Korea
B: Yunnan and Sichuan provinces in China
C: Malaysia and Indonesia
D: Peru and Brazil
Correct Answer: B
Explanation: Pilea peperomioides is native to the Yunnan and Sichuan provinces in China.

5: What is another nickname for Pilea peperomioides?
A: Friendship plant
B: Money tree
C: Lucky bamboo
D: Silver dollar plant
Correct Answer: A
Explanation: Pilea peperomioides is also nicknamed the friendship plant due to its propagation method.

6: When did Pilea peperomioides become widely known to western botanists?
A: 1920s
B: 1940s
C: 1980s
D: 2000s
Correct Answer: C
Explanation: Western botanists became more aware of it in the 1980s.

7: Who helped spread Pilea peperomioides throughout Scandinavia after finding it in China?
A: George Forrest
B: Agnar Espegren
C: Carl Linnaeus
D: Alexander von Humboldt
Correct Answer: B
Explanation: Norwegian missionary Agnar Espegren spread the plant throughout Scandinavia.

8: What type of leaves does the Pilea peperomioides have?
A: Peltate and circular
B: Lanceolate and pointed
C: Ovate and serrated
D: Needle-like and sharp
Correct Answer: A
Explanation: The leaves are described as peltate—circular with the petiole attached near the center.

9: How tall can Pilea peperomioides grow in the wild?
A: 10 cm
B: 20 cm
C: 30 cm
D: 40 cm
Correct Answer: C
Explanation: The plant typically grows to around 30 cm tall in the wild.

10: What is the significance of the first published image of Pilea peperomioides in Kew magazine?
A: It helped classify the plant properly
B: It was a new discovery
C: It marked its popularity
D: It showed the plant’s medicinal properties
Correct Answer: A
Explanation: The first known published image helped classify the plant properly.

11: When did the plant first appear for sale on Instagram?
A: 2010
B: 2015
C: 2019
D: 2021
Correct Answer: C
Explanation: The plant was advertised on Instagram around late 2019, with high demand.

12: What price did single unrooted cuttings reach on Instagram in 2019?
A: USD $10
B: USD $20
C: USD $50
D: USD $75
Correct Answer: D
Explanation: Prices for single unrooted cuttings went up to USD $75 in 2019.

13: What is the average price for a 3- to 4-inch pot of Pilea peperomioides as of September 2022?
A: USD $5–10
B: USD $15–20
C: USD $25–30
D: USD $35–40
Correct Answer: A
Explanation: The average price for a small pot ranges from USD $5 to $10.

14: What is the primary reason for the high demand of Pilea peperomioides?
A: Its medicinal uses
B: Its decorative appearance and ease of propagation
C: Its rare status
D: Its fragrant flowers
Correct Answer: B
Explanation: The plant is in high demand because it is decorative and easy to grow.

15: What feature of the Pilea peperomioides’ stem changes as it matures?
A: It grows flowers
B: It develops spines
C: It becomes lignified at the base
D: It changes color to blue
Correct Answer: C
Explanation: The stem lignifies at the base as the plant matures.

16: In what type of habitats does Pilea peperomioides occur in the wild?
A: Deserts
B: Forests with shady, damp rocks
C: Grasslands
D: Alpine slopes
Correct Answer: B
Explanation: The plant grows on shady, damp rocks in forests.

17: Pilea peperomioides is capable of surviving temperatures as low as what when outdoors?
A: 0 °C
B: -1 °C
C: -5 °C
D: -9 °C
Correct Answer: D
Explanation: It has survived temperatures as low as -9 °C when properly planted.

18: Who determined the identity of Pilea peperomioides in the 1980s?
A: George Forrest
B: Wessel Marais
C: Agnar Espegren
D: Carl Linnaeus
Correct Answer: B
Explanation: Wessel Marais, a Kew Gardens botanist, determined its identity.

19: What is the primary method of propagation for Pilea peperomioides?
A: Seeds
B: Offshoots and rhizomes
C: Bulbs
D: Grafting
Correct Answer: B
Explanation: It is propagated from plantlets (offshoots) or rhizomes.

20: How are stem cuttings from Pilea peperomioides often confused?
A: As bark cuttings
B: As leaf cuttings
C: As root cuttings
D: As flower cuttings
Correct Answer: B
Explanation: Stem cuttings are often mistaken for leaf cuttings.

21: What award has Pilea peperomioides gained?
A: Nobel Prize in Botany
B: Royal Horticultural Society’s Award of Garden Merit
C: International Plant of the Year
D: Gardeners’ Choice Award
Correct Answer: B
Explanation: It has received the Royal Horticultural Society’s Award of Garden Merit.

22: Which season is most suitable for propagating Pilea peperomioides?
A: Winter
B: Spring and early summer
C: Summer
D: Autumn
Correct Answer: B
Explanation: Spring and early summer are the best times for propagation.

23: Name one of the three cultivars of Pilea peperomioides.
A: “Sunshine”
B: “Sugar”
C: “Emerald”
D: “Ruby Red”
Correct Answer: B
Explanation: “Sugar” is one of the three cultivars of Pilea peperomioides.

24: What type of conditions positively affect the growth of Pilea peperomioides?
A: Extreme heat
B: Constant temperatures and high humidity
C: Direct sunlight
D: Low moisture soil
Correct Answer: B
Explanation: Constant temperatures and high humidity are beneficial for its growth.

25: Why is Pilea peperomioides described as endangered in its native habitat?
A: Reduced habitat size and overcollection
B: Pests and diseases
C: Poor nutrition in soil
D: Lack of water
Correct Answer: A
Explanation: It is endangered due to reduced habitat size and overcollection.

26: In addition to the name “pancake plant,” what is another playful nickname for Pilea peperomioides?
A: Dorito plant
B: Frisbee plant
C: UFO plant
D: Cookie plant
Correct Answer: C
Explanation: The Pilea peperomioides is also called the UFO plant because of its leaf shape.

27: What characteristic makes Pilea peperomioides a suitable plant for terrariums?
A: Its large flowers
B: Its tolerance to high humidity
C: Its ability to grow in sand
D: Its need for constant sunlight
Correct Answer: B
Explanation: Its tolerance to high humidity makes it suitable for terrariums.

28: What impact did commercial availability have on Pilea peperomioides?
A: Reduced its popularity
B: Increased its cost
C: Made it less of a curiosity
D: Changed its appearance
Correct Answer: C
Explanation: It made the plant less of a curiosity as it became more common.

29: Which botanical clade does Pilea peperomioides belong to?
A: Gymnosperms
B: Rosids
C: Magnoliids
D: Monocots
Correct Answer: B
Explanation: Pilea peperomioides is part of the Rosids clade.

30: During which decade did many horticulturists become aware of Pilea peperomioides’ true classification?
A: 1970s
B: 1980s
C: 1990s
D: 2000s
Correct Answer: B
Explanation: Many horticulturists became aware of its classification in the 1980s.

31: What glandless feature does Pilea peperomioides have?
A: Hairless leaves and stems
B: Needle-like flowers
C: Spiked bark
D: Gummy sap
Correct Answer: A
Explanation: The plant is completely hairless.

32: Which country’s horticulture award recognizes Pilea peperomioides?
A: United States
B: Japan
C: United Kingdom
D: Australia
Correct Answer: C
Explanation: The United Kingdom recognizes it with the Royal Horticultural Society’s Award.

33: What descriptor is used for Pilea peperomioides flowers?
A: Conspicuous
B: Inconspicuous
C: Large and showy
D: Fragrant
Correct Answer: B
Explanation: The flowers are considered inconspicuous.

34: What happens to Pilea peperomioides in poor growing conditions?
A: It grows more flowers
B: It grows faster
C: It loses its leaves in the lower part of the stem
D: It changes leaf color
Correct Answer: C
Explanation: The plant loses its leaves in the lower part of the stem in poor conditions.

35: Which historical figure spread Pilea peperomioides to Scandinavia?
A: Carl Linnaeus
B: Agnar Espegren
C: Carl Peter Thunberg
D: Alfred Rehder
Correct Answer: B
Explanation: Agnar Espegren spread the plant to Scandinavia.

36: In which elevation range does the Pilea peperomioides naturally occur?
A: 500 to 1000 meters
B: 1000 to 1500 meters
C: 1500 to 3000 meters
D: 3000 to 4500 meters
Correct Answer: C
Explanation: It grows at altitudes from 1500 to 3000 meters.

37: How did Pilea peperomioides become endanger in its native habitat?
A: Deforestation and habitat destruction
B: Invasive species
C: Climate change
D: Pest and disease
Correct Answer: A
Explanation: Deforestation and habitat destruction have endangered its natural habitat.

38: What is the best time of year to try to propagate Pilea peperomioides?
A: Any time
B: Winter only
C: Spring only
D: Autumn only
Correct Answer: A
Explanation: Any time of the year is good, though spring and early summer are the best.

39: In what kind of places indoors can Pilea peperomioides potentially survive?
A: Directly under hot lamps
B: Near a drafty window
C: In unheated indoor areas
D: In a dark closet
Correct Answer: C
Explanation: It can survive in unheated indoor areas due to its tolerance to low temperatures.

40: How does high humidity affect the growth of Pilea peperomioides?
A: Inhibits growth
B: Promotes growth
C: Has no effect
D: Causes wilting
Correct Answer: B
Explanation: High humidity positively affects its growth.

41: What establishing medium is often used to grow Pilea peperomioides in greenhouses?
A: Sand
B: Rich and well-draining soil
C: Clay
D: Pure compost
Correct Answer: B
Explanation: Rich and well-draining soil is often used to grow it in greenhouses.

42: What is the maximum temperature range Pilea peperomioides can tolerate in its native habit?
A: Up to 15 °C
B: Near or below freezing
C: Constantly warm
D: Extremely hot
Correct Answer: B
Explanation: The plant tolerates periods near or below freezing in its native range.

43: Which province in China is not a native habitat for Pilea peperomioides?
A: Yunnan
B: Sichuan
C: Fujian
D: Hunan
Correct Answer: C
Explanation: The plant does not naturally occur in Fujian province.

44: How are appropriate cuttings identified for successful propagation of Pilea peperomioides?
A: Thick bark
B: Stem tissue
C: Leaf edges
D: Flower tips
Correct Answer: B
Explanation: Successful cuttings need stem tissue.

45: What type of environment is suitable for outdoor cultivation of Pilea peperomioides in temperate regions?
A: Dry and arid
B: Shady and damp
C: Full sunlight
D: Sandy and exposed
Correct Answer: B
Explanation: Shady and damp environments are suitable for its cultivation.

46: How is Pilea peperomioides commonly spread among amateur gardeners?
A: By seeds
B: By cuttings
C: By spores
D: By tissue culture
Correct Answer: B
Explanation: It is commonly spread via cuttings.

47: What is the common name derived from Pilea peperomioides’ spread among friends?
A: Friendship plant
B: Folklore plant
C: Tourist plant
D: Adventurer plant
Correct Answer: A
Explanation: It is called the friendship plant because it’s often shared among friends.

48: Which of the following is a similar-looking plant often mistaken for Pilea peperomioides?
A: Lavender
B: Hydrocotyle
C: Cactus
D: Bamboo
Correct Answer: B
Explanation: Hydrocotyle is often mistaken for Pilea peperomioides.

49: What temperature did Wessel Marais report as successfully survived by Pilea peperomioides outdoors?
A: 0 °C
B: -3 °C
C: -6 °C
D: -9 °C
Correct Answer: D
Explanation: Wessel Marais reported the plant surviving temperatures as low as -9 °C.

50: Why might a Pilea peperomioides lose its lower leaves in poor growing conditions?
A: Nutrient deficiency
B: Insufficient water
C: Changed environmental conditions
D: Reduced light exposure
Correct Answer: C
Explanation: It loses leaves due to changed environmental conditions.

51: Which plant care technique does Pilea peperomioides benefit most from?
A: Grafting
B: Regular divided and cuttings
C: Constant replanting
D: Overwatering
Correct Answer: B
Explanation: The plant benefits most from regular divided and stem cuttings.

52: What defines the “offshoots” in Pilea peperomioides propagation?
A: New leaves
B: Flowers on trunk
C: Plantlets that sprout on the trunk
D: Roots growing upwards
Correct Answer: C
Explanation: Offshoots refer to plantlets sprouting on the trunk.

53: What is another peltate-leaved plant often confused with Pilea peperomioides?
A: Cactaceae
B: Nasturtium
C: Succulents
D: Bromeliads
Correct Answer: B
Explanation: Nasturtium is another peltate-leaved plant often confused with it.

54: How does Pilea peperomioides tolerate periods of dryness?
A: Poorly
B: Moderately well
C: Very well
D: Not at all
Correct Answer: B
Explanation: It tolerates dry environments moderately well, which contributes to its popularity.

55: When were the three new cultivars of Pilea peperomioides first noted?
A: 1980s
B: 1990s
C: 2000s
D: 2010s
Correct Answer: D
Explanation: The three cultivars “Sugar,” “White Splash,” and “Mojito” appeared in recent years.

56: In the wild, what type of rocks does Pilea peperomioides grow on?
A: Dry rocks
B: Shady, damp rocks
C: Sunny cliffs
D: Windy plateaus
Correct Answer: B
Explanation: The plant grows on shady, damp rocks in forests.

57: Which of the following is an incorrect nickname for Pilea peperomioides?
A: Pancake plant
B: Chinese money plant
C: Jelly plant
D: UFO plant
Correct Answer: C
Explanation: Jelly plant is not a nickname for Pilea peperomioides.

58: What is the correct way to describe its leaves?
A: Serrated and hairy
B: Circular and hairless
C: Pointed and waxy
D: Needle-like and thorny
Correct Answer: B
Explanation: The leaves are circular and hairless.

59: What endangered status does Pilea peperomioides have in its native habitat?
A: Critically endangered
B: Endangered
C: Vulnerable
D: Least concern
Correct Answer: B
Explanation: It is considered endangered in its native habitat.

60: Who reported Pilea peperomioides could survive outdoors in Cazillac, France?
A: George Forrest
B: Agnar Espegren
C: Wessel Marais
D: Charles Darwin
Correct Answer: C
Explanation: Wessel Marais reported it could survive outdoors with deep planting.

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