Lisianthus Trivia Questions and Answers

1: What is the common name for the plant genus Eustoma?
A: Snapdragon
B: Lisianthus
C: Marigold
D: Begonia
Correct Answer: B
Explanation: Eustoma is commonly known as Lisianthus.

2: In what regions are Lisianthus plants native?
A: Northern Europe
B: Southern United States, Mexico, Caribbean, and northern South America
C: East Asia
D: Australia
Correct Answer: B
Explanation: Lisianthus are native to warm regions of the southern United States, Mexico, the Caribbean, and northern South America.

3: What family does Lisianthus belong to?
A: Asteraceae
B: Rosaceae
C: Gentianaceae
D: Lamiaceae
Correct Answer: C
Explanation: Lisianthus belongs to the family Gentianaceae.

4: Lisianthus flowers typically grow in which type of environment?
A: Rainforests
B: Deserts
C: Grasslands and areas of disturbed ground
D: Alpine tundra
Correct Answer: C
Explanation: Lisianthus is typically found in grasslands and areas of disturbed ground.

5: How tall do herbaceous annual Lisianthus plants generally grow?
A: 1–3 cm
B: 15–60 cm
C: 100–150 cm
D: 200–300 cm
Correct Answer: B
Explanation: Lisianthus plants grow to 15–60 cm tall.

6: What type of leaves do Lisianthus plants have?
A: Feathery leaves
B: Bluish-green, slightly succulent leaves
C: Variegated leaves
D: Thorny leaves
Correct Answer: B
Explanation: Lisianthus plants have bluish-green, slightly succulent leaves.

7: How large can Lisianthus flowers grow?
A: Up to 50 millimeters (2 in) across
B: Up to 1 meter across
C: Up to 5 millimeters across
D: Up to 20 centimeters across
Correct Answer: A
Explanation: Lisianthus flowers can grow up to 50 millimeters (2 in) across.

8: Lisianthus flowers can be found in all of the following colors EXCEPT:
A: Pink
B: Blue
C: Orange
D: Purple
Correct Answer: C
Explanation: Lisianthus flowers are found in shades of pink, blue, purple, white, and sometimes yellow or carmine-red, but not orange.

9: What does the Greek prefix ‘eu-‘ in Eustoma mean?
A: Small
B: Smooth
C: Good, well
D: Large
Correct Answer: C
Explanation: The Greek prefix ‘eu-‘ means “good, well.”

10: What does the Greek word ‘stoma’ in Eustoma mean?
A: Root
B: Flower
C: Mouth
D: Leaf
Correct Answer: C
Explanation: The Greek word ‘stoma’ means “mouth.”

11: Which of these is a correct translation of the obsolete name Lisianthus?
A: Smooth flower
B: Happy flower
C: Rough flower
D: Bright flower
Correct Answer: A
Explanation: Lisianthus is derived from the Greek words ‘lissós’ meaning “smooth” and ‘ánthos’ meaning “flower.”

12: Why is cultivation under cover recommended for Lisianthus?
A: To ensure faster growth
B: To prevent spotting on the petals
C: To change the flower color
D: To grow larger flowers
Correct Answer: B
Explanation: Cultivation under cover is recommended to prevent spotting on the petals.

13: What type of soil is required to grow Lisianthus?
A: Sandy soil
B: Rich, well-drained soil
C: Clay soil
D: Acidic soil
Correct Answer: B
Explanation: Lisianthus requires rich, well-drained soil.

14: How should Lisianthus seeds be planted?
A: Buried deep in the soil
B: Scattered randomly
C: Sown on the surface
D: Planted in wet soil
Correct Answer: C
Explanation: Lisianthus seeds must be sown on the surface, not buried.

15: What growth problem can arise if temperature control is not carefully managed for Lisianthus plants?
A: Rosetting
B: Wilting
C: Overblooming
D: Leaf curling
Correct Answer: A
Explanation: Careful control of temperature is necessary to prevent rosetting in Lisianthus plants.

16: When do Lisianthus flowers typically begin to bloom?
A: Early winter
B: Early summer
C: Late spring
D: Early autumn
Correct Answer: B
Explanation: Lisianthus flowers begin to bloom in early summer.

17: How long can Lisianthus flowers last in a vase when cut?
A: 2–3 weeks
B: 1 week
C: 1 month
D: 2 months
Correct Answer: A
Explanation: Lisianthus flowers can last from two to three weeks in a vase when cut.

18: What height can dwarf varieties of Lisianthus reach?
A: 10 cm
B: 20 cm
C: 50 cm
D: 70 cm
Correct Answer: B
Explanation: Dwarf varieties of Lisianthus only grow up to 200 mm (8 in) in height.

19: What is the botanical order of Lisianthus?
A: Poales
B: Gentianales
C: Rosales
D: Lamiales
Correct Answer: B
Explanation: Lisianthus belongs to the order Gentianales.

20: Which genus within the Gentianaceae family does Lisianthus belong to?
A: Eustoma
B: Gentiana
C: Enicostema
D: Sabatia
Correct Answer: A
Explanation: The genus Eustoma is where Lisianthus belongs within the Gentianaceae family.

21: What is the height range of a typical Lisianthus plant?
A: 30–90 cm
B: 10–20 cm
C: 100–150 cm
D: 200–300 cm
Correct Answer: A
Explanation: A typical Lisianthus plant ranges in height from 30–90 cm.

22: What is one of the features that make Lisianthus a high-end cut flower?
A: Its fragrance
B: Its beautiful and lasting appearance
C: Its thornless stems
D: Its ease of growth
Correct Answer: B
Explanation: Lisianthus is a beautiful, high-end cut flower, partly due to its lasting appearance in vases.

23: To prevent fungal diseases in Lisianthus, what is an essential care aspect?
A: Keeping soil dry at all times
B: Overwatering regularly
C: Keeping the soil moist but not overwatered
D: Using sand instead of soil
Correct Answer: C
Explanation: Keeping Lisianthus soil moist but not overwatered is essential to prevent fungal diseases.

24: Lisianthus can bloom in which months of the year?
A: Winter and spring only
B: Early summer through late summer
C: Autumn only
D: All year round
Correct Answer: B
Explanation: Lisianthus blooms start in early summer and some can continue throughout the later months of summer.

25: What is a notable characteristic of Lisianthus leaves?
A: They are thorny
B: They are bluish-green and slightly succulent
C: They are fuzzy
D: They are purple
Correct Answer: B
Explanation: Lisianthus leaves are bluish-green and slightly succulent.

26: What should be avoided when planting Lisianthus seeds to ensure proper growth?
A: Planting in full sun
B: Sowing them on the surface
C: Burying the seeds
D: Using rich soil
Correct Answer: C
Explanation: Lisianthus seeds should not be buried; they must be sown on the surface.

27: What benefit does cultivation under cover have for Lisianthus?
A: Speeds up blooming time
B: Increases leaf size
C: Prevents spotting and damaging petals
D: Changes the flower color
Correct Answer: C
Explanation: Cultivating Lisianthus under cover helps prevent spotting and damage to its delicate petals.

28: What is one of the two main species of the Lisianthus genus?
A: Lisianthus exaltatus
B: Lisianthus grandiflorus
C: Lisianthus russellianum
D: Lisianthus maximus
Correct Answer: C
Explanation: Lisianthus russellianum is one of the main species of the Lisianthus genus.

29: What does the flower name “Lisianthus” translate directly to in Greek?
A: Smooth flower
B: Delicate flower
C: Beautiful mouth
D: Soft petal
Correct Answer: A
Explanation: Lisianthus translates to “smooth flower,” from the Greek terms ‘lissós’ meaning “smooth” and ‘ánthos’ meaning “flower.”

30: Why is Lisianthus considered tricky to grow?
A: It’s extremely resistant to soil conditions
B: It requires specific maintenance and environmental control
C: It grows too quickly
D: Its flowers fade after one day
Correct Answer: B
Explanation: Lisianthus is considered tricky to grow due to its need for specific maintenance and environmental control.

31: What type of light conditions do Lisianthus plants require?
A: Full shade
B: Partial shade
C: Full sun
D: No light
Correct Answer: C
Explanation: Lisianthus requires full sun to thrive.

32: Which part of the Lisianthus is notably large and funnel-shaped?
A: Leaves
B: Flowers
C: Roots
D: Stems
Correct Answer: B
Explanation: The flowers of Lisianthus are large and funnel-shaped.

33: What is the primary use of Lisianthus in horticulture?
A: Food consumption
B: Herbal medicine
C: Cut flowers for ornamental use
D: Soil improvement
Correct Answer: C
Explanation: The primary use of Lisianthus is as cut flowers for ornamental use.

34: What type of stem can Lisianthus flowers grow on?
A: Twisting stems
B: Long, straight stems
C: Short, thick stems
D: Floating stems
Correct Answer: B
Explanation: Lisianthus grows on long, straight stems which can either be erect single stems or branching stems.

35: Which color is sometimes found in Lisianthus flowers, although not commonly?
A: Yellow
B: Green
C: Black
D: Orange
Correct Answer: A
Explanation: Yellow is occasionally found in Lisianthus flowers, though it is rare.

36: Which of the following cultivation techniques is recommended to avoid rosetting in Lisianthus?
A: Keeping soil dry
B: Controlling temperature carefully
C: Planting in shady areas
D: Using sandy soil
Correct Answer: B
Explanation: Careful control of temperature is necessary to avoid rosetting in Lisianthus.

37: How should Lisianthus seeds be managed for best germination?
A: Planted deeply in moist soil
B: Sown on the surface of the soil
C: Kept in complete darkness
D: Buried in clay soil
Correct Answer: B
Explanation: Lisianthus seeds should be sown on the surface of the soil for optimal germination.

38: What is a distinguishing feature of double-flowered Lisianthus?
A: They have more petals than single-flowered varieties
B: They have no petals
C: They only come in yellow
D: Their leaves are bicolored
Correct Answer: A
Explanation: Double-flowered Lisianthus varieties have more petals than single-flowered varieties.

39: What plant part develops fungal diseases if Lisianthus is overwatered?
A: Roots
B: Flowers
C: Leaves
D: Stems
Correct Answer: A
Explanation: Overwatering Lisianthus can lead to fungal diseases in the roots.

40: Lisianthus plants in a grassland environment typically reach what maximum height?
A: 100 cm
B: 90 cm
C: 200 cm
D: 15 cm
Correct Answer: B
Explanation: In grassland environments, Lisianthus plants typically reach a maximum height of 90 cm.

41: Which of these Greek words is part of the genus name Eustoma?
A: εὐ- (eu-)
B: λισσός (lissós)
C: κίτρινος (kítrinos)
D: μακρός (makrós)
Correct Answer: A
Explanation: The genus name Eustoma includes the Greek prefix εὐ- (eu-).

42: Lisianthus is tricky to grow because of its sensitivity to which environmental factor?
A: Wind
B: Temperature
C: Humidity
D: Altitude
Correct Answer: B
Explanation: Lisianthus is sensitive to temperature, making it tricky to grow.

43: Which flowering period extension technique is used for Lisianthus?
A: Pruning leaves
B: Cultivation under cover
C: Adding excess fertilizer
D: Planting in the shade
Correct Answer: B
Explanation: Cultivation under cover can extend the flowering period of Lisianthus.

44: What is a botanical characteristic of Lisianthus plants regarding how they grow?
A: They are succulents
B: They are herbaceous annuals
C: They are climbing vines
D: They are perennial shrubs
Correct Answer: B
Explanation: Lisianthus are herbaceous annuals.

45: What can result if Lisianthus seeds are buried?
A: Rapid growth
B: Failure to germinate
C: Development of larger flowers
D: Increased leaf size
Correct Answer: B
Explanation: Lisianthus seeds may fail to germinate if buried.

46: Lisianthus flowers can be found in which shades?
A: All shades of blue, including sky blue
B: Only dark colors
C: Only pastel colors
D: All shades including pink, purple, white, and blue
Correct Answer: D
Explanation: Lisianthus flowers can be found in all shades of pink, purple, white, and blue.

47: Lisianthus blooms can last in a vase for up to how many weeks?
A: 1 week
B: 2–3 weeks
C: 1 month
D: 4–5 days
Correct Answer: B
Explanation: Cut Lisianthus flowers can last in a vase for up to 2–3 weeks.

48: What is one possible flower color found in Lisianthus, but less common than others?
A: Yellow
B: Green
C: Black
D: Orange
Correct Answer: A
Explanation: Yellow is a less common but possible flower color in Lisianthus.

49: What is the approximate height range for dwarf varieties of Lisianthus?
A: 5–10 cm
B: 20–30 cm
C: 200 mm, or 8 in
D: 100 mm, or 4 in
Correct Answer: C
Explanation: Dwarf varieties of Lisianthus grow up to 200 mm (8 in).

50: What is the primary care requirement to avoid fungal disease in Lisianthus?
A: Overwatering frequently
B: Keeping soil rich and well-drained
C: Exposing to minimal sunlight
D: Planting in dry, sandy soil
Correct Answer: B
Explanation: Keeping soil rich and well-drained is crucial for avoiding fungal diseases in Lisianthus.

51: Lisianthus flowers on what type of stems can be found?
A: Climbing vines
B: Erect single stems or branching stems
C: Short, thick stems only
D: Floating stems
Correct Answer: B
Explanation: Lisianthus can grow on erect single stems or branching stems.

52: For optimal blooming without spotting, Lisianthus are often grown under what conditions?
A: Total shade
B: Under cover protection
C: In arid conditions
D: In wet soil
Correct Answer: B
Explanation: To avoid petal spotting, Lisianthus is best cultivated under cover protection.

53: In what type of habitat are Lisianthus plants commonly found?
A: Grasslands
B: Deserts
C: Wetlands
D: Mountainous regions
Correct Answer: A
Explanation: Lisianthus commonly grow in grasslands and disturbed ground areas.

54: Why might Lisianthus seeds fail to germinate if improperly planted?
A: If not exposed to full sun
B: If they are buried too deeply
C: If they are watered too much
D: If planted in sandy soil
Correct Answer: B
Explanation: If Lisianthus seeds are buried too deeply, they may fail to germinate.

55: Why is Lisianthus considered a high-end flower in floristry?
A: It produces fruit
B: It has a long vase life and elegant appearance
C: It grows quickly
D: It changes color with weather
Correct Answer: B
Explanation: Lisianthus is considered high-end due to its long vase life and elegant appearance.

56: Lisianthus is part of which family characterized by vibrant flowers?
A: Fabaceae
B: Gentianaceae
C: Solanaceae
D: Apiaceae
Correct Answer: B
Explanation: Lisianthus is part of the Gentianaceae family.

57: What care should be taken to prevent Lisianthus from rosetting?
A: Avoiding full sun
B: Controlling the temperature to prevent stress
C: Reducing water intake
D: Removing all flowers before blooming
Correct Answer: B
Explanation: Proper temperature control to prevent stress is essential to avoid rosetting in Lisianthus.

58: Which feature helps distinguish Lisianthus flowers from other common flowers?
A: They only have white petals
B: Their large, funnel-shaped flowers on tall stems
C: Their small, clustered blooms
D: Their thick, woody stems
Correct Answer: B
Explanation: Lisianthus flowers are noted for their large, funnel-shaped flowers on tall stems.

59: In what condition must Lisianthus soil be kept to avoid fungal diseases?
A: Completely dry
B: Slightly moist but not overwatered
C: Constantly wet
D: Barely moist with rock mulch
Correct Answer: B
Explanation: Soil for Lisianthus must be kept slightly moist but not overwatered to avoid fungal diseases.

60: How might excessive rainfall impact Lisianthus grown outdoors?
A: It increases flower size
B: It causes fungal diseases and spotting
C: It speeds up growth
D: It enhances fragrance
Correct Answer: B
Explanation: Excessive rainfall may lead to fungal diseases and spotting on Lisianthus petals.

What is the best quiz for you business?

Quizzes are super effective for lead generation and selling products. Find the best quiz for your business by answering a few questions.

Take the quiz