Arrowhead Vine Trivia Questions and Answers

a close up of a plant with green leaves

1: What is the scientific name of the Arrowhead vine?
A: Syngonium podophyllum
B: Syngonium ruizii
C: Xanthosoma gracile
D: Arum auritum
Correct Answer: A
Explanation: The scientific name for Arrowhead vine is Syngonium podophyllum.

2: Which family does the Arrowhead vine belong to?
A: Asteraceae
B: Fabaceae
C: Araceae
D: Liliaceae
Correct Answer: C
Explanation: Arrowhead vine belongs to the Araceae family.

3: In which year was Arrowhead vine given its own genus?
A: 1850
B: 1879
C: 1901
D: 1956
Correct Answer: B
Explanation: Arrowhead vine was given its own genus in 1879.

4: What is the Latin specific epithet “podophyllum” referring to?
A: With foot/feet-like leaves
B: With flower-like leaves
C: With thorny leaves
D: With fuzzy leaves
Correct Answer: A
Explanation: The Latin specific epithet podophyllum means “with foot/feet-like leaves.”

5: What type of support is required for the Arrowhead vine to grow properly?
A: Full sunlight
B: Ground cover only
C: Support to climb
D: Deep soil
Correct Answer: C
Explanation: As a vine, Arrowhead vine requires some support to climb.

6: Which part of the Arrowhead vine is poisonous if ingested?
A: Leaves
B: Stems
C: All parts
D: Roots
Correct Answer: C
Explanation: All parts of the Arrowhead vine are poisonous and cause severe mouth pain if eaten.

7: What summer temperature should not be exceeded for the cultivation of Arrowhead vine?
A: 25°C (77°F)
B: 30°C (86°F)
C: 38°C (100°F)
D: 45°C (113°F)
Correct Answer: C
Explanation: The summer temperature for Arrowhead vine should not exceed 38°C (100°F).

8: How often should Arrowhead vine be watered in summer?
A: Daily
B: 2-3 times a week
C: Weekly
D: Once a month
Correct Answer: B
Explanation: Arrowhead vine should be watered 2-3 times a week in summer.

9: Where is the Arrowhead vine native to?
A: North America
B: Europe
C: Latin America
D: Asia
Correct Answer: C
Explanation: The species is native to a wide region of Latin America from Mexico through Bolivia.

10: What feature distinguishes cultivated varieties of Arrowhead vine from wild ones?
A: Height
B: Leaf variegation
C: Flower color
D: Stem length
Correct Answer: B
Explanation: Cultivated varieties have leaves in various shades of green and different types of lighter markings unlike wild ones which are usually dark green and without variegation.

11: What type of award has Arrowhead vine gained from the Royal Horticultural Society?
A: Garden Innovation Award
B: Award of Garden Merit
C: Best New Plant Award
D: Excellence in Cultivation Award
Correct Answer: B
Explanation: Arrowhead vine has gained the Royal Horticultural Society’s Award of Garden Merit.

12: What propagation method is best for Arrowhead vine?
A: Seed sowing
B: Leaf cutting
C: Water rooting
D: Air layering
Correct Answer: C
Explanation: The plant can be propagated by cuttings in water, which has a good success rate.

13: What harmful chemical is found in the sap of Arrowhead vine that causes skin irritation?
A: Oxalic acid
B: Citric acid
C: Acetic acid
D: Hydrochloric acid
Correct Answer: A
Explanation: The sap contains oxalic acid which causes severe skin burning sensations.

14: Which variety of Arrowhead vine is found in both Costa Rica and Panama?
A: Arrowhead vine var. podophyllum
B: Arrowhead vine var. peliocladum
C: Syngonium ternatum
D: Syngonium gracile
Correct Answer: B
Explanation: Arrowhead vine var. peliocladum is found in both Costa Rica and Panama.

15: What happens when Arrowhead vine is cultivated for a few years without cutting?
A: It stops growing
B: It produces new shoots
C: It becomes unattractive
D: It blooms excessively
Correct Answer: C
Explanation: After a few years of cultivation, the plant becomes unattractive, and cutting it is advisable to produce new shoots.

16: What color are the flowers of an Arrowhead vine?
A: Bright red
B: Neon orange
C: Greenish or whitish
D: Deep blue
Correct Answer: C
Explanation: The flowers of Arrowhead vine are small, greenish, or whitish.

17: What part of the Arrowhead vine is often confused with the African genus Nephthytis?
A: Flowers
B: Leaves
C: Roots
D: Stems
Correct Answer: B
Explanation: The leaves were originally confused with the similar-looking African genus Nephthytis.

18: What cultivation requirement helps provide adequate humidity for Arrowhead vine?
A: Open air exposure
B: Sand mixed soil
C: Larger container with moist peat
D: Fertilization every day
Correct Answer: C
Explanation: To ensure adequate humidity, the plant pot should be placed in a larger container with constantly moist peat.

19: Which of the following is a variegated cultivar of Arrowhead vine?
A: White Butterfly
B: Green Dragon
C: Red Fire
D: Blue Moon
Correct Answer: A
Explanation: ‘White Butterfly’ is a variegated cultivar of Arrowhead vine.

20: What temperature is ideal for rooting cuttings in a multiplier?
A: 10°C (50°F)
B: 18°C (64°F)
C: 24°C (75°F)
D: 30°C (86°F)
Correct Answer: B
Explanation: Cuttings using the rooting machine are rooted in a multiplier at a temperature of 18°C (64°F).

21: Where is Arrowhead vine naturalized apart from the West Indies?
A: Australia
B: Russia
C: Texas
D: Sweden
Correct Answer: C
Explanation: Arrowhead vine is naturalized in Texas, among other places including Florida and Hawaii.

22: How often should the water be changed when growing Arrowhead vine directly in water?
A: Daily
B: Twice a week
C: Once a week
D: Once a month
Correct Answer: C
Explanation: If grown in water, the water should be changed at least once a week to keep it properly oxygenated.

23: Which order does the Arrowhead vine belong to?
A: Rosales
B: Alismatales
C: Fabales
D: Lamiales
Correct Answer: B
Explanation: Arrowhead vine belongs to the order Alismatales.

24: Which region does not naturally host Arrowhead vine?
A: Mexico
B: Bolivia
C: Brazil
D: Russia
Correct Answer: D
Explanation: The species is native from Mexico to Bolivia but is not naturally found in Russia.

25: What is the maximum height Arrowhead vine can reach when grown indoors?
A: 0.5 meters
B: 1.5 meters
C: 2.5 meters
D: 5 meters
Correct Answer: B
Explanation: Indoors, the Arrowhead vine can reach a height of up to 1.5 meters (4.9 feet).

26: Which common name is NOT used for Arrowhead vine?
A: African evergreen
B: Goosefoot
C: American evergreen
D: Green needle plant
Correct Answer: D
Explanation: Green needle plant is not a common name for Arrowhead vine unlike African evergreen, Goosefoot, and American evergreen.

27: How long can the single leaves of Arrowhead vine grow up to?
A: 10 cm
B: 15 cm
C: 20 cm
D: 30 cm
Correct Answer: D
Explanation: The single leaves of Arrowhead vine are usually arrow-shaped and can grow up to 30 cm (12 inches) long.

28: Which variety of Arrowhead vine mainly inhabited Costa Rica and Panama?
A: Arrowhead vine var. podophyllum
B: Arrowhead vine var. peliocladum
C: Syngonium gracile
D: Syngonium affine
Correct Answer: B
Explanation: Arrowhead vine var. peliocladum is mainly found in Costa Rica and Panama.

29: What care step helps in keeping the leaves of Arrowhead vine clean and shiny?
A: Dusting them with a brush
B: Wiping with a damp cloth
C: Using a leaf blower
D: Spraying with fertilizer
Correct Answer: B
Explanation: Dusty leaves should be wiped clean with a damp cloth.

30: Why should Arrowhead vine be fertilized in the summer?
A: To produce flowers
B: To enhance leaf color
C: To promote growth
D: To resist pests
Correct Answer: C
Explanation: Arrowhead vine should be fertilized in summer to promote growth with a small dose of fertilizers dissolved in water.

31: What lighting condition is suitable for Arrowhead vine varieties with dark green leaves?
A: Full sunlight
B: Partial sunlight
C: Darker place
D: Fluorescent light
Correct Answer: C
Explanation: Varieties with dark green leaves can grow in a darker place.

32: What kind of air condition does Arrowhead vine prefer?
A: Dry air
B: Moist air
C: Cold air
D: Windy air
Correct Answer: B
Explanation: Arrowhead vine prefers moist air.

33: How frequently should Arrowhead vine be watered in winter?
A: Daily
B: Weekly
C: Much less often
D: Every other day
Correct Answer: C
Explanation: Arrowhead vine should be watered much less often in winter compared to summer.

34: What is necessary for growing Arrowhead vine in hydroculture?
A: Sand
B: Soil with manure
C: Clay pellets
D: Aquarium stones
Correct Answer: C
Explanation: Growing Arrowhead vine in hydroculture requires washing roots free of soil and potting them in clay pellets.

35: Which element in Arrowhead vine causes damage to the eyes if exposed?
A: Oxalic acid
B: Raphides
C: Calcium carbonate
D: Silicate crystals
Correct Answer: B
Explanation: The sap of Arrowhead vine contains raphides which have the potential to cause eye damage.

36: How often should Arrowhead vine leaves be wiped to ensure they are clean?
A: Every day
B: Twice a week
C: When they appear dusty
D: Once a month
Correct Answer: C
Explanation: Dusty leaves should be wiped clean with a damp cloth when they appear dusty.

37: Which of these is not a cultivated variety characteristic of Arrowhead vine?
A: White markings
B: Variegated leaves
C: Dark brown leaves
D: Pink shades
Correct Answer: C
Explanation: Dark brown leaves are not a characteristic of cultivated varieties of Arrowhead vine. Cultivated varieties often have white markings, variegated leaves, and pink shades.

38: In water propagation, what is a key requirement for keeping Arrowhead vine healthy?
A: Ensuring water is still
B: Constantly changing water
C: Using fertilized water
D: Keeping water level low
Correct Answer: B
Explanation: To grow Arrowhead vine in water, it is key to keep the water properly oxygenated by changing it often (at least once a week).

39: What should be done when Arrowhead vine becomes unattractive after a few years?
A: Discard it
B: Fertilize it heavily
C: Cut it
D: Increase watering
Correct Answer: C
Explanation: After a few years of cultivation, the plant becomes unattractive, where its cutting is advisable, and then it will produce new shoots.

40: What is the ideal winter temperature to maintain for Arrowhead vine?
A: Below 0°C (32°F)
B: Between 5°C (41°F) and 10°C (50°F)
C: Not lower than 0°C (32°F)
D: Around 20°C (68°F)
Correct Answer: C
Explanation: In winter, the temperature for Arrowhead vine should not be lower than 0°C (32°F).

41: What adaptation helps the Arrowhead vine cling to the trunks of trees?
A: Twining stems
B: Climbing roots
C: Strong leaves
D: Adhesive flowers
Correct Answer: B
Explanation: Arrowhead vine clings to the trunks of trees in tropical jungles using its roots.

42: What is a common issue for indoor Arrowhead vine in terms of flowering?
A: Lack of sunlight
B: Excessive water
C: Uncontrolled pests
D: Aging of plants
Correct Answer: D
Explanation: Indoor Arrowhead vine plants generally do not bloom unless they are older and well-cared-for specimens.

43: What should be done to Arrowhead vine soil to ensure it is suitable for the plant?
A: Drain it well
B: Water it systematically
C: Add sand to it
D: Mulch heavily
Correct Answer: B
Explanation: The soil for Arrowhead vine should be humus and systematically watered.

44: Which harmful substance found in Arrowhead vine’s sap can cause severe pain if eaten?
A: Oxalic acid
B: Sodium chloride
C: Calcium sulfate
D: Carbonic acid
Correct Answer: A
Explanation: Oxalic acid in the sap of Arrowhead vine can cause severe mouth pain if ingested.

45: How does the Arrowhead vine fit as a houseplant in terms of light exposure for varieties with light-colored markings?
A: Requires dark places
B: Requires well-lit places
C: No light requirements
D: Only grows under artificial light
Correct Answer: B
Explanation: Varieties with leaves with pink, reddish, or white markings require a well-lit place.

46: What are the flowers of Arrowhead vine enclosed in?
A: Spadices
B: Capsules
C: Spathes
D: Petals
Correct Answer: C
Explanation: The small flowers of Arrowhead vine are enclosed within light-yellow through green spathes.

47: What care should be taken daily to ensure adequate humidity for Arrowhead vine?
A: Spraying the plant with water
B: Placing it in direct sunlight
C: Fertilizing every day
D: Pruning every day
Correct Answer: A
Explanation: Spraying the plant with water daily helps provide it with adequate humidity.

48: What locations beyond Latin America have naturalized Arrowhead vine populations?
A: Russia and Japan
B: Florida and Hawaii
C: Antarctica and Greenland
D: Spain and Italy
Correct Answer: B
Explanation: Arrowhead vine has naturalized populations in places like Florida and Hawaii beyond Latin America.

49: What was the Arrowhead vine originally confused with?
A: The genus Anthurium
B: The genus Alocasia
C: The genus Nephthytis
D: The genus Epipremnum
Correct Answer: C
Explanation: Arrowhead vine was originally confused with the similar-looking African genus Nephthytis.

50: How much growth does the Arrowhead vine typically experience in a single year when grown indoors?
A: 5 cm
B: 15 cm
C: 30 cm
D: 50 cm
Correct Answer: C
Explanation: When grown indoors, the plant grows about 30 cm (12 in) in a year.

51: What kind of soil is recommended for planting Arrowhead vine?
A: Sandy soil
B: Clay soil
C: Humus soil
D: Rocky soil
Correct Answer: C
Explanation: The recommended soil type for planting Arrowhead vine is humus soil.

52: How many leaves does the Arrowhead vine typically produce in a year?
A: 3-4 leaves
B: 5-6 leaves
C: 6-7 leaves
D: 8-9 leaves
Correct Answer: C
Explanation: The plant typically produces 6-7 leaves in a year.

53: Within its leaves, what pigmentations might be observed in cultivated Arrowhead vines?
A: Only dark green
B: Light green, white, pink, or yellow
C: Blue and red
D: Brown and purple
Correct Answer: B
Explanation: Cultivated varieties have leaves in various shades of green and different types of lighter markings such as white, pink, or yellow.

54: How is the Arrowhead vine categorized in botanical taxonomy?
A: Monocots
B: Dicots
C: Gymnosperms
D: Bryophytes
Correct Answer: A
Explanation: Arrowhead vine is categorized as a Monocot in botanical taxonomy.

55: What happens to Arrowhead vine flowers when grown indoors?
A: They bloom all year round
B: They rarely bloom
C: They produce seeds
D: They change colors
Correct Answer: B
Explanation: The plants grown indoors do not bloom, aside from the older, well-cared-for specimens.

56: Which additional care practice is advised for the Arrowhead vine?
A: Mulching heavily
B: Using organic pesticides
C: Keeping leaves dust-free
D: Pruning root system
Correct Answer: C
Explanation: Keeping the leaves dust-free by wiping them with a damp cloth is an advised care practice for Arrowhead vine.

57: What is a common use for Arrowhead vine in gardening aside from being a houseplant?
A: Bonsai cultivation
B: Ground cover plant
C: Topiary designs
D: Aquascaping
Correct Answer: B
Explanation: Aside from being a houseplant, Arrowhead vine can also be grown as a ground cover plant.

58: What color markings do some Arrowhead vine leaves almost entirely present?
A: Blue
B: Red
C: White
D: Purple
Correct Answer: C
Explanation: Some leaves of Arrowhead vine are almost entirely white.

59: What is the climbing capability of Arrowhead vine when grown in the wild?
A: It can climb infinitely
B: Up to 10 meters
C: A few meters tall over trunks
D: Only at ground level
Correct Answer: C
Explanation: In the wild, Arrowhead vine can climb a few meters tall over the trunks of tropical jungle trees.

60: What potential risk do gardeners need to be aware of when handling Arrowhead vine?
A: Spreading seeds
B: Skin and eye irritation
C: Attracting pests
D: Lack of oxygen
Correct Answer: B
Explanation: Gardeners need to be aware of the risk of severe skin burning sensations and eye damage due to the sap containing oxalic acid and raphides.

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