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What is the largest cactus in the World?

Saguaro

Opuntia

Rebutia

Cardon

Cardon is the tallest cactus species in the world, with a maximum recorded height of 19.2 m (63 ft), with a stout trunk up to 1 m (3.3 ft) in diameter bearing several erect branches. In overall appearance, it resembles the related saguaro (Carnegiea gigantea), but differs in: fewer ribs on the stems.

M

2

Katja Schulz wikipedia → Pachycereus pringlei

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Answers by country

Australia

22%

5%

11%

61%

18

the United States

35%

9%

20%

35%

54

Poland

20%

31%

14%

33%

952

the United Kingdom

33%

21%

15%

30%

33

Pakistan

4%

47%

17%

30%

23

Nigeria

46%

15%

7%

30%

13

Greece

16%

25%

33%

25%

12

India

16%

45%

21%

15%

83

Germany

48%

29%

7%

14%

41

How deep is the root system of a giant sequoia?

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20 meters (60 feet)

40 meters (130 feet)

80 meters (260 feet)

Which non-coniferous trees are the tallest in the world?

This kind of tilted forest is a common sight in subarctic taiga. What is this phenomenon caused by?

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