Rex Begonia Trivia Questions and Answers

woman wears purple and black dress
  1. Which plant species is commonly known as “the king begonia”?
    A: Begonia xanthina
    B: Begonia rex
    C: Begonia cathayana
    D: Begonia annulata
    Correct Answer: B
    Explanation: Begonia rex is also referred to as “the king begonia.”
  2. In which plant family is Begonia rex classified?
    A: Rosaceae
    B: Begoniaceae
    C: Cucurbitaceae
    D: Lamiaceae
    Correct Answer: B
    Explanation: Begonia rex belongs to the family Begoniaceae.
  3. Which part of the world is the native habitat of Begonia rex?
    A: South America
    B: Southeast China and Arunachal Pradesh
    C: Southern Africa
    D: Mediterranean Europe
    Correct Answer: B
    Explanation: Begonia rex is found from Arunachal Pradesh to southeast China.
  4. Which of the following cultivars in the Begonia Rex Cultorum Group has won the Royal Horticultural Society’s Award of Garden Merit?
    A: ‘Midnight Magic’
    B: ‘Golden Sunset’
    C: ‘Blue Heaven’
    D: ‘Silver Dust’
    Correct Answer: A
    Explanation: ‘Midnight Magic’ is one of the cultivars that have gained this award.
  5. How many cultivars have been developed from Begonia rex in the Begonia Rex Cultorum Group?
    A: Over 100
    B: Over 500
    C: Over 1000
    D: Over 2000
    Correct Answer: B
    Explanation: Begonia rex is a parent to over 500 cultivars.
  6. What is another binomial name for Begonia rex?
    A: Platycentrum rex
    B: Begonia imperator
    C: Begonia maxima
    D: Platycentrum maxima
    Correct Answer: A
    Explanation: Platycentrum rex is a synonym for Begonia rex.
  7. Which Begonia rex cultivar is known for having a name reminiscent of a dance style?
    A: ‘Helen Lewis’
    B: ‘Sal’s Comet’
    C: ‘Red Tango’
    D: ‘David Blais’
    Correct Answer: C
    Explanation: ‘Red Tango’ cultivar has a name reminiscent of the tango dance style.
  8. What is the order of Begonia rex?
    A: Rosales
    B: Cucurbitales
    C: Lamiales
    D: Asterales
    Correct Answer: B
    Explanation: Begonia rex belongs to the order Cucurbitales.
  9. Which cultivar has a name that suggests it might be a type of spiral or curve?
    A: ‘Orient’
    B: ‘Escargot’
    C: ‘Green Gold’
    D: ‘Emerald Beauty’
    Correct Answer: B
    Explanation: ‘Escargot’ refers to a spiral, similar to a snail’s shell.
  10. Which Begonia rex cultivar has a celestial name?
    A: ‘Sea Serpent’
    B: ‘Roi de Roses’
    C: ‘David Blais’
    D: ‘Sal’s Comet’
    Correct Answer: D
    Explanation: ‘Sal’s Comet’ has a name that suggests a celestial object.
  11. What kind of clade does Begonia rex belong to?
    A: Gymnosperms
    B: Angiosperms
    C: Bryophytes
    D: Pteridophytes
    Correct Answer: B
    Explanation: Begonia rex is part of the clade Angiosperms.
  12. In which family order does the genus Begonia belong?
    A: Rosales
    B: Caryophyllales
    C: Poales
    D: Cucurbitales
    Correct Answer: D
    Explanation: The genus Begonia belongs to the order Cucurbitales.
  13. Name one of the parent species used in creating Begonia Rex Cultorum Group cultivars.
    A: Begonia dregei
    B: Begonia maxima
    C: Begonia minor
    D: Begonia rubra
    Correct Answer: A
    Explanation: Begonia dregei is one of the parent species.
  14. Which of these countries has Begonia rex been introduced to?
    A: Bangladesh
    B: Japan
    C: Australia
    D: Canada
    Correct Answer: A
    Explanation: Begonia rex has been introduced to Bangladesh.
  15. Begonia rex is widely known for its contribution to which specific plant group?
    A: Rex Flowers Group
    B: Bonsai Group
    C: Begonia Rex Cultorum Group
    D: Fern Cultivars Group
    Correct Answer: C
    Explanation: Begonia rex is a key parent in the Begonia Rex Cultorum Group.
  16. How many clades is Begonia rex classified under?
    A: 1
    B: 2
    C: 3
    D: 4
    Correct Answer: D
    Explanation: Begonia rex is classified under four clades: Tracheophytes, Angiosperms, Eudicots, and Rosids.
  17. Which cultivar of Begonia rex has a festive holiday name?
    A: ‘Fireworks’
    B: ‘Hilo Holiday’
    C: ‘China Curl’
    D: ‘Sal’s Comet’
    Correct Answer: B
    Explanation: ‘Hilo Holiday’ cultivar is named after a festive holiday.
  18. What is the binomial authority notation for Begonia rex?
    A: Seem.
    B: Putz.
    C: Hend. ex Bosse
    D: T.Moore
    Correct Answer: B
    Explanation: The binomial authority notation for Begonia rex is “Putz.”
  19. Which variety of Begonia rex has the word “queen” in its name?
    A: ‘Silver Queen’
    B: ‘Silver Gold’
    C: ‘Queen Majesty’
    D: ‘Emerald Queen’
    Correct Answer: A
    Explanation: ‘Silver Queen’ is a variety with “queen” in its name.
  20. What is the synonym for Begonia rex that was named by Veitch and Dix in 1859?
    A: Begonia marginata
    B: Begonia dominiana
    C: Begonia picturata
    D: Begonia grandis
    Correct Answer: B
    Explanation: Begonia dominiana is a synonym named by Veitch and Dix in 1859.
  21. Which Begonia rex cultivar sounds like a dramatic performance?
    A: ‘David Blais’
    B: ‘Ironstone’
    C: ‘Roi de Roses’
    D: ‘Curly Fireflush’
    Correct Answer: D
    Explanation: ‘Curly Fireflush’ has a name that implies a dramatic performance or display.
  22. Which ornamental cultivar was named to reflect a historic royal reference?
    A: ‘Namur’
    B: ‘Princess of Hanover’
    C: ‘Red Robin’
    D: ‘Martin Johnson’
    Correct Answer: B
    Explanation: ‘Princess of Hanover’ reflects a historic royal reference.
  23. What is the genus of Begonia rex?
    A: Platycentrum
    B: Imperator
    C: Begonia
    D: Rex
    Correct Answer: C
    Explanation: The genus of Begonia rex is Begonia.
  24. In addition to Begonia rex, which other species is a parent to cultivars in the Begonia Rex Cultorum Group?
    A: Begonia cathayana
    B: Begonia minima
    C: Begonia perennis
    D: Begonia sectrina
    Correct Answer: A
    Explanation: Begonia cathayana is among the parent species.
  25. Which cultivar name suggests a precious metal and an avian?
    A: ‘Fireworks’
    B: ‘Silver Cloud’
    C: ‘Sea Serpent’
    D: ‘Red Robin’
    Correct Answer: B
    Explanation: ‘Silver Cloud’ contains a precious metal reference.
  26. When was Begonia marginata, a synonym of Begonia rex, named by T. Moore?
    A: 1859
    B: 1860
    C: 1861
    D: 1862
    Correct Answer: B
    Explanation: Begonia marginata was named by T. Moore in 1860.
  27. What type of habitat does Begonia rex naturally grow in?
    A: Deserts
    B: Temperate rainforests
    C: Tropical and subtropical regions
    D: Alpine tundra
    Correct Answer: C
    Explanation: Begonia rex is native to tropical and subtropical regions.
  28. Which Begonia rex cultivar has a monarch-related name?
    A: ‘Curly Fireflush’
    B: ‘Roi de Roses’
    C: ‘Ironstone’
    D: ‘Helen Lewis’
    Correct Answer: B
    Explanation: ‘Roi de Roses’ translates to “King of Roses.”
  29. Which Begonia rex variety has the term “imperator” in its name?
    A: Begonia rex var. grandis
    B: Begonia rex var. imperator
    C: Begonia rex var. marginata
    D: Begonia rex var. nebulosa
    Correct Answer: B
    Explanation: One variety is named Begonia rex var. imperator.
  30. Which of the following is the correct classification rank of Begonia rex?
    A: Phylum
    B: Division
    C: Species
    D: Order
    Correct Answer: C
    Explanation: Begonia rex is at the species level of classification.
  31. How are Begonia rex and Platycentrum rex related?
    A: They are unrelated.
    B: They are synonyms.
    C: One is a subspecies of the other.
    D: They are different genera.
    Correct Answer: B
    Explanation: Platycentrum rex is a synonym for Begonia rex.
  32. Which Begonia rex cultivar suggests a celebration with lights?
    A: ‘Silver Queen’
    B: ‘Fireworks’
    C: ‘Emerald Beauty’
    D: ‘Red Robin’
    Correct Answer: B
    Explanation: ‘Fireworks’ suggests a celebration with lights.
  33. Which Begonia cultivar has a name that might be associated with a beautiful gem?
    A: ‘Pink Champagne’
    B: ‘Emerald Beauty’
    C: ‘Curly Fireflush’
    D: ‘Green Gold’
    Correct Answer: B
    Explanation: ‘Emerald Beauty’ is associated with the emerald gemstone.
  34. Which specific region has Begonia rex NOT been introduced to?
    A: Bangladesh
    B: Cuba
    C: Canada
    D: Hispaniola
    Correct Answer: C
    Explanation: Begonia rex has been introduced to Bangladesh, Cuba, and Hispaniola, but not Canada.
  35. Which Begonia rex cultivar has a name linked to horticultural leadership?
    A: ‘Curly Fireflush’
    B: ‘David Blais’
    C: ‘Martin Johnson’
    D: ‘Silver Cloud’
    Correct Answer: C
    Explanation: ‘Martin Johnson’ is named after someone significant in horticulture.
  36. What does “var.” stand for in Begonia rex var. grandis?
    A: Variety
    B: Variable
    C: Variation
    D: Variant
    Correct Answer: A
    Explanation: “Var.” stands for variety.
  37. What is the significance of Begonia rex ‘Escargot’ cultivar’s name?
    A: It grows rapidly.
    B: Its leaves are shaped like a snail shell.
    C: It’s found in coastal areas.
    D: It blooms year-round.
    Correct Answer: B
    Explanation: ‘Escargot’ refers to the snail-shell-like spiral pattern on its leaves.
  38. Which cultivar has a name associated with a precious beverage?
    A: ‘Pink Champagne’
    B: ‘Green Gold’
    C: ‘Fireworks’
    D: ‘Red Tango’
    Correct Answer: A
    Explanation: ‘Pink Champagne’ is named after the prestigious beverage.
  39. What year was Begonia picturata named by Hend. ex Bosse?
    A: 1858
    B: 1859
    C: 1860
    D: 1861
    Correct Answer: D
    Explanation: Begonia picturata was named in 1861.
  40. Which Begonia rex cultivar’s name suggests a cunning or clever nature?
    A: ‘Red Robin’
    B: ‘Ironstone’
    C: ‘Sal’s Comet’
    D: ‘Green Gold’
    Correct Answer: A
    Explanation: ‘Red Robin’ often symbolizes cleverness and cunning.
  41. Which Begonia rex cultivar has a name that refers to a historical garden or fancy name?
    A: ‘Princess of Hanover’
    B: ‘Benitochiba’
    C: ‘Mikado’
    D: ‘Sea Serpent’
    Correct Answer: C
    Explanation: ‘Mikado’ is a name associated with historical Japanese emperors.
  42. Which variety of Begonia rex uses the term “leopardina” in its name?
    A: Begonia rex var. grandis
    B: Begonia rex var. nebulosa
    C: Begonia rex var. leopardina
    D: Begonia rex var. marginata
    Correct Answer: C
    Explanation: The variety Begonia rex var. leopardina uses the term “leopardina.”
  43. Which Begonia rex cultivar’s name suggests a hidden or arcane nature?
    A: ‘Sal’s Comet’
    B: ‘Sea Serpent’
    C: ‘Midnight Magic’
    D: ‘David Blais’
    Correct Answer: C
    Explanation: ‘Midnight Magic’ conveys a sense of hidden or mystical properties.
  44. Traditional cultivation of Begonia rex involves how many other Begonia species?
    A: 4
    B: 9
    C: 7
    D: 11
    Correct Answer: B
    Explanation: Traditional cultivation involves 9 other Begonia species.
  45. Which cultivar’s name reflects a blend of colors?
    A: ‘Fireworks’
    B: ‘Curly Fireflush’
    C: ‘Pink Champagne’
    D: ‘Green Gold’
    Correct Answer: D
    Explanation: ‘Green Gold’ suggests a combination of green and gold colors.
  46. Which of the following Begonia rex cultivars is named after a comet?
    A: ‘Red Robin’
    B: ‘Martin Johnson’
    C: ‘Sal’s Comet’
    D: ‘Orient’
    Correct Answer: C
    Explanation: ‘Sal’s Comet’ is named after a comet-like appearance.
  47. How is the Rex Begonia ‘Curly Fireflush’ named?
    A: Because it blooms year-round.
    B: Because of its fiery red curly leaves.
    C: Because it grows in fire-prone areas.
    D: Because of its curling roots.
    Correct Answer: B
    Explanation: ‘Curly Fireflush’ is named for its fiery red curly leaves.
  48. In what year was Platycentrum rex (synonym for Begonia rex) synonymized by Seem?
    A: 1859
    B: 1860
    C: 1861
    D: 1862
    Correct Answer: B
    Explanation: Platycentrum rex was synonymized by Seem in 1860.
  49. Which ‘Benitochiba’ cultivar of Begonia rex received recognition?
    A: New America Award
    B: Royal Horticultural Society’s Award of Garden Merit
    C: International Plant Prize
    D: Floral Excellence Medal
    Correct Answer: B
    Explanation: ‘Benitochiba’ gained the Royal Horticultural Society’s Award of Garden Merit.
  50. The variety Begonia rex var. grandis was named by which authority?
    A: Hend. ex Bosse
    B: T. Moore
    C: E.J. Lowe & W. Howard
    D: Veitch ex J. Dix
    Correct Answer: C
    Explanation: Begonia rex var. grandis was named by E.J. Lowe & W. Howard.
  51. What geographical area does the species Begonia rex naturally inhabit?
    A: Temperate Europe
    B: Tropical Africa
    C: Central America
    D: Southeast China and Arunachal Pradesh
    Correct Answer: D
    Explanation: Begonia rex naturally inhabits Southeast China and Arunachal Pradesh.
  52. Identify the variety of Begonia rex described by Lowe & Howard in 1860.
    A: Begonia rex var. grandis
    B: Begonia rex var. imperator
    C: Begonia rex var. leopardina
    D: Begonia rex var. nebulosa
    Correct Answer: D
    Explanation: Begonia rex var. nebulosa was described by Lowe & Howard in 1860.
  53. Which Begonia rex cultivar has a volcanic name?
    A: ‘Midnight Magic’
    B: ‘Hilo Holiday’
    C: ‘Green Gold’
    D: ‘Fireworks’
    Correct Answer: D
    Explanation: ‘Fireworks’ evokes the imagery of volcanic eruptions and fireworks.
  54. Which classification clade does NOT include Begonia rex?
    A: Tracheophytes
    B: Angiosperms
    C: Eudicots
    D: Gymnosperms
    Correct Answer: D
    Explanation: Begonia rex is not part of the Gymnosperms clade.
  55. Which Begonia rex cultivar’s name suggests a precious metal?
    A: ‘Ironstone’
    B: ‘Red Robin’
    C: ‘Emerald Beauty’
    D: ‘Pink Champagne’
    Correct Answer: A
    Explanation: ‘Ironstone’ suggests a connection to the metal iron.
  56. Which cultivar from Begonia Rex Cultorum Group has a reference to champagne?
    A: ‘Pink Champagne’
    B: ‘Silver Queen’
    C: ‘Fireworks’
    D: ‘Green Gold’
    Correct Answer: A
    Explanation: ‘Pink Champagne’ is named after the sparkling beverage.
  57. Who named Begonia rex var. marginata in 1860?
    A: Hend. ex Bosse
    B: Veitch ex J. Dix
    C: T. Moore
    D: E.J. Lowe & W. Howard
    Correct Answer: C
    Explanation: T. Moore named Begonia rex var. marginata.
  58. Which of the following cultivars is recognized with the Royal Horticultural Society’s Award?
    A: ‘Hilo Holiday’
    B: ‘Emerald Beauty’
    C: ‘Silver Queen’
    D: All of the above
    Correct Answer: D
    Explanation: All of these cultivars have earned recognition from the Royal Horticultural Society.
  59. What is the synonym of Begonia rex named by Bosse in 1861?
    A: Begonia picturata
    B: Begonia grandis
    C: Begonia cathayana
    D: Begonia minima
    Correct Answer: A
    Explanation: Begonia picturata, named by Hend. ex Bosse in 1861, is a synonym.
  60. Which Begonia rex cultivar has a name suggestive of a performer?
    A: ‘David Blais’
    B: ‘Ironstone’
    C: ‘Roi de Roses’
    D: ‘Silver Cloud’
    Correct Answer: A
    Explanation: ‘David Blais’ is a cultivar name that suggests a performer.

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