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Marginatocereus marginatus (DC.) Backeb.

Mexican fencepost

ParentsUnknownGenus is not in the current taxonomy

About plant names...

Mexican fence post cactus is native to Mexico.

Identification: These cacti reach 5-10′ (1.5-3 m) in height, and up to a maximum of 20′ (6.1 m). They grow in clusters, branched at the base, but unbranched above. The straight columns are 3-4″ (7.6-10 cm) around, with 5-7 ribs. Pink or greenish-white flowers 1¼-1½″ (3.2-4.2 cm) around grow along the edges of the ribs, becoming dark red fruits ¼″ (8.4 mm) in diameter.

Edibility: The small red fruits are edible, and very sweet.

Online References:



Cactus Art: the World of Cacti & Succulents

Cereus marginatus DC.

Lophocereus marginatus (DC.) S.Arias & Terrazas

Lemaireocereus marginatus (DC.) A. Berger

Stenocereus marginatus var. gemmatus Bravo

Stenocereus marginatus (DC.) A. Berger & Buxb.

Cereus gemmatus Otto

Pachycereus marginatus (DC.) Britton & Rose

Marginatocereus marginatus var. oaxacensis Backeb.


Marginatocereus marginatus description by Thomas H. Kent, last updated 29 Jul 2023.

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Marginatocereus marginatus (Mexican fencepost)

5/25/2009 · Boyce Thompson Arboretum, Superior, Ari­zona · ≈ 2½ × 3½′ (73 × 110 cm)