Harrisia tortuosa

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Harrisia tortuosa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Harrisia
Species:
H. tortuosa
Binomial name
Harrisia tortuosa
(J. Forbes ex Otto & A. Dietr.) Britton & Rose

Harrisia tortuosa is a species of cactus in the Trichocereeae tribe.[2]

Harrisia tortuosa grows as a shrub with upright or later arched or prostrate, dark green shoots that are up to 1 meter long with diameters of 2 to 4 centimeters. There are usually seven rounded, slightly tuberous ribs. The one to three strong central thorns, initially red, later become almost black. They are 3 to 4 centimeters long. The six to ten pale and light-colored marginal spines reach a length of up to 2 centimeters.

The flowers reach a length of up to 16 centimeters. The spherical, bumpy red fruits have a few thorns and reach a diameter of 3 to 4 centimeters.[3]

Distribution

It is native to low altitudes in Uruguay, Paraguay, northeastern Argentina at elevations of 80-300 meters.[4]


Harrisia tortuosa is considered an exotic invasive in Australia.[2][5]

Taxonomy

References

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