Triangle Cactus (Acanthocereus tetragonus)

Common names:
Give a thumbs up Triangle Cactus
Give a thumbs up Barbed-Wire Cactus
Give a thumbs up Sword Pear
Give a thumbs up Jacube
Give a thumbs up Pitaya Morada

Botanical names:
Acanthocereus tetragonus Accepted
Cereus validus Synonym
Acanthocereus colombianus Synonym
Acanthocereus baxaniensis Synonym
Acanthocereus occidentalis Synonym
Acanthocereus horridus Synonym
Acanthocereus subinermis Synonym

General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Sun Requirements: Partial or Dappled Shade
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Fruit: Showy
Edible to birds
Other: Red when ripe
Flowers: Showy
Flower Color: White
Bloom Size: 5"-6"
Flower Time: Summer
Suitable Locations: Xeriscapic
Edible Parts: Fruit
Wildlife Attractant: Butterflies
Resistances: Drought tolerant
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth


Photo gallery:

Posted by Baja_Costero (Baja California - Zone 11b) on Aug 29, 2019 10:20 PM

Shrubby, arching or climbing cactus with 3-5 ribs and stout spines. Flowers are large, white and nocturnal. Fruit is red or green, spiny or not.

Widespread and common in coastal areas and on hills through the tropics of North and South America, including southern Florida and parts of the Caribbean, from 26°N to 2°N. Highly variable, especially as currently defined.

The name of this (currently) monotypic genus means "spiny cereus". The genus was erected in the early 20th century to describe plants originally placed in Cactus, later Cereus. This species has absorbed a number of other species (each restricted to a certain geographical area) in recent years.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Bent/Stretching Cacti by _mel Oct 5, 2019 7:12 AM 16
Monstrose, Cristata, Crested, and other fun mutations by Esperanza May 6, 2019 10:16 PM 28
How to get cactus to bloom? by Philipwonel May 24, 2018 5:43 PM 81
Cactus dying, needs urgent help. by SeasonsOfDespair Apr 24, 2018 7:46 PM 6
Cactus and succulents chat by Baja_Costero Jan 19, 2020 2:35 PM 6,326
Need help identifying this Cactus species by BoniSuciZen Dec 11, 2017 10:16 AM 7
Cactus and Succulent chat 2016 by gg5 Apr 11, 2017 11:52 AM 1,827

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