Common Name: Abrojo

General Information

Opuntia pubescens is a spiny, succulent, shrubby cactus with segmented stems. Much-branched from the base, with prostrate or ascending branches, it usually grows around 10 - 90cm tall. Individual stem segments are cylindrical to slightly flattened, linear oblong, around 10 - 25cm long and 10 - 25mm wide[, ].
The plant is often used to create living hedges that provide stock-proof barriers.
Opuntia pubescens is a very widespread and abundant species that is tolerant to disturbance. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2017)[].

Known Hazards

The plant has numerous minutely barbed glochids - these are barbed spines that are usually small to minute and are very sharp and brittle. The glochids are very easily dislodged when the plant is touched and can penetrate the skin where, because of their barbs, they become stuck and are very difficult to see and remove. They can cause considerable irritation and discomfort[, ].
Opuntia species can contain quite high levels of oxalic acid, especially in older parts of the plant. Perfectly alright in small quantities, foods containing oxalic acid should not be eaten in large amounts since it can lock-up other nutrients in the food, especially calcium, thus causing mineral deficiencies. The oxalic acid content will be reduced if the plant is cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition[, ].

Botanical References

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Range

S. America - Paraguay, Bolivia, Peru, Ecuadaor, Colombia, Venezuela; C. America - Honduras, Guatemala, north to central Mexico

Habitat

Dry deciduous forest and dry shrubland, various disturbed habitats such as along roadsides and on dry overgrazed mountains; at elevations from sea level to 2,500 metres[].

Properties

Conservation Status	Least Concern
Other Uses Rating
Habit	Evergreen Shrub
Height	0.50 m
Pollinators	Bees, Insects
Cultivation Status	Wild

Cultivation Details

The spines are strongly barbed, and thus the stem segments easily become attached to passing animals or objects and are transported from one locality to another[].

Edible Uses

The tender young stem segments of various species are often cooked as a vegetable[]. Known as ‘nopals’ in Mexico, where they are a common ingredient in numerous dishes, they can be eaten raw or cooked, used in marmalades, soups, stews and salads. The most commonly used species are Opuntia ficus-indica or Opuntia hyptiacantha (syn Opuntia matudae), although the stems of almost all Opuntia species are edible[, ].

Medicinal

We have no specific information on medicinal uses for this species, but the following notes are likely to apply universally to Opuntia species and other related genera[].

The flesh of tender young stem segments can be applied as a poultice to reduce inflammation[].
The mucilage and soluble fibre found in the flowers and stem segments have been shown to help control blood-sugar levels associated with adult-onset diabetes[].
There is clinical evidence that the soluble fibre in the stem segments helps reduce blood cholesterol levels[].

Agroforestry Uses:

The plant is used to create living fences for dividing patches of land and providing a stock-proof barrier[, ].

Other Uses

None known

Propagation

Seed -

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