Common Name:

General Information

Opuntia elata is a prickly, evergreen, succulent shrubby cactus with more or less erect banches and segmented stems; it can grow up to 2 metres tall. Individual stem segments are thick, oblong to obovate, around 5 - 25cm long and up to 15cm wide[].
The fruit is sometimes gathered from the wild for local consumption. The plant is sometimes grown as an ornamental
Opuntia elata is widely distributed, it is locally common and abundant, and there are no major threats affecting it. It is present in many protected areas and is invasive in Australia and the Mediterranean Region. 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

Range

S. America - northern Argentina, Paraguay, Uruguay, southern Brazil, southern Bolivia.

Habitat

Forests and savannahs, commonly found on disturbed land and agricultural fields; at elevations up to 500 metres[].

Properties

Weed Potential	Yes
Conservation Status	Least Concern
Edibility Rating
Habit	Evergreen Shrub
Height	1.50 m
Pollinators	Bees, Insects
Cultivation Status	Ornamental, Wild

Cultivation Details

This species has become an invasive wed in areas such as the Mediterranean and Australia[].

Edible Uses

Fruit - raw[]. The purplish-red, club-shaped fruit is up to 60mm long[].

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 and 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[].

Other Uses

None known

Propagation

Seed -

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