Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Family:
Genus:
Species:
mortensenii
ID:
598061

Status:
valid

Authors:
(Croizat) D.R.Hunt & N.P.Taylor

Source:
Caryophyllales.org

Year:
1991

Citation Micro:
in Bradleya 9: 85. 1991.

WFO Identifier:
wfo-0000597393

Common Names

  • Cereus Mortensenii
  • Mortensen's Cereus
  • Mortensen's Columnar Cactus

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Synonyms

  • Pilocereus mortensenii Croizat [unknown]
  • Pilosocereus gruberi Schatzl & H.Till [unknown]
  • Pilosocereus mortensenii (Croizat) Backeb. [unknown]
  • Subpilocereus mortensenii (Croizat) Trujillo & Marisela Ponce [unknown]
  • Praepilosocereus mortensenii (Croizat) Guiggi [unknown]

Description

Cereus mortensenii (also called Mortensen's Torch Cactus, among many other common names) is a tall, columnar cactus native to the deserts of South America. It has long, slender stems and white flowers.

Uses & Benefits

Cereus mortensenii is an evergreen cactus that is used in gardens for its attractive foliage and white flowers. It is also a popular choice for rock gardens and ground covers. It is drought tolerant and can be used in areas with poor soils. It is also a good choice for erosion control.

Flower, Seeds and Seedlings

Cereus mortensenii has white flowers that are about 3 inches in diameter, with long, thin petals. The seeds are small, black and round. The seedlings are small, with thin stems and small, dark green leaves.

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Cultivation and Propagation

Cereus mortensenii is a cactus that can be propagated from cuttings or from seed. Cuttings should be taken from the side of the stem and planted in well-draining soil. The soil should be kept moist until the cutting has rooted. Seeds should be planted in a well-draining soil mix and kept moist until germination. The plant should be kept in a warm, sunny location and watered regularly.

Where to Find Cereus mortensenii

Cereus mortensenii is native to Mexico.

Species in the Cereus genus

Cereus ackermannii, Cereus acromelas, Cereus aethiops, Cereus albicaulis, Cereus albispinus, Cereus arachnoides, Cereus arcuatus, Cereus auratus, Cereus aureus, Cereus beckmannii, Cereus bicolor, Cereus bonariensis, Cereus brachiatus, Cereus candelabrius, Cereus caudatus, Cereus cirrhiferus, Cereus cochabambensis, Cereus colvillii, Cereus comarapanus, Cereus conformis, Cereus crenoides, Cereus crenulatus, Cereus cubensis, Cereus cumengii, Cereus decagonus, Cereus del-moralii, Cereus donatii, Cereus erectus, Cereus ericomus, Cereus erinaceus, Cereus estevesii, Cereus fernambucensis, Cereus fimbriatus, Cereus forbesii, Cereus formosus, Cereus freiburgensis, Cereus fricii, Cereus fulvispinosus, Cereus funkii, Cereus geminisetus, Cereus gladiger, Cereus gracilis, Cereus greggii, Cereus hankeanus, Cereus hansii, Cereus hertrichianus, Cereus herzogianus, Cereus heteracanthus, Cereus hexagonus, Cereus hildmannianus,

Species in the Cactaceae family

Acanthocalycium glaucum, Acanthocalycium spiniflorum, Acanthocalycium thionanthum, Acanthocalycium leucanthum, Acanthocalycium rhodotrichum, Acanthocalycium klimpelianum, Acanthocereus chiapensis, Acanthocereus tetragonus, Acanthocereus guatemalensis, Acanthocereus maculatus, Acanthocereus canoensis, Acanthocereus castellae, Acanthocereus cuixmalensis, Acanthocereus fosterianus, Acanthocereus haackeanus, Acanthocereus hesperius, Acanthocereus hirschtianus, Acanthocereus macdougallii, Acanthocereus oaxacensis, Acanthocereus paradoxus, Acanthocereus rosei, Acanthocereus tepalcatepecanus, Acanthocereus atropurpureus, Acharagma aguirreanum, Acharagma roseanum, Airampoa albisaetacens, Airampoa armata, Airampoa ayrampo, Airampoa boliviensis, Airampoa cedergreniana, Airampoa chilensis, Airampoa corrugata, Airampoa erectoclada, Airampoa ianthinantha, Airampoa microdisca, Airampoa minuscula, Airampoa orurensis, Airampoa panellana, Airampoa picardoi, Airampoa silvestris, Airampoa tilcarensis, Aporepiphyllum freiburgensis, Aporocactus flagelliformis, Aporocactus martianus, Aporocactus moennighoffii, Aporocactus knebelii, Aporoheliocereus smithianus, Ariocarpus agavoides, Ariocarpus bravoanus, Ariocarpus drabi,

References

Léon Croizat (1894-1982): Based on occurrence of standard abbreviation 'Croizat' in the authors string.
David Hunt (1938-2019): Based on occurrence of standard abbreviation 'D.R.Hunt' in the authors string.
Nigel Paul Taylor (b.1956): Based on occurrence of standard abbreviation 'N.P.Taylor' in the authors string.