''Armatocereus procerus'' is a species of ''

Armatocereus ''Armatocereus'' (from Latin ''armatus'', "armed" and ''cereus'', "pliant/soft") is a genus of mostly tree-like cacti from South America (Ecuador and Peru). These species have a conspicuous constriction at the end of the annual growth. The flowe ...

'' found in southern Peru.

Description

''Armatocereus procerus'' grows like a tree, usually has no clear trunk and reaches a height of up to 7 meters. The upright dark green or grey-green shoots are clearly divided into segments. There are eight to ten ribs on which there are large

areoles In botany, areoles are small light- to dark-colored bumps on cacti out of which grow clusters of spines. Areoles are important diagnostic features of cacti, and identify them as a family distinct from other succulent plants. Gordon Rowley - Wh ...

. The one to four yellowish central spines have a darker tip and are up to long. The 15 to 20 radial spines are each up to long. The white flowers are up to long and have a diameter of . The fruits are green, and up to long.

Distribution

''Armatocereus procerus'' is distributed in the Peruvian regions of

Ancash Ancash (; ) is a department and region in western Peru. It is bordered by the departments of La Libertad on the north, Huánuco and Pasco on the east, Lima on the south, and the Pacific Ocean on the west. Its capital is the city of Huaraz, an ...

Lima Lima ( ; ), founded in 1535 as the Ciudad de los Reyes (, Spanish for "City of Biblical Magi, Kings"), is the capital and largest city of Peru. It is located in the valleys of the Chillón River, Chillón, Rímac River, Rímac and Lurín Rive ...

and Ica. In the IUCN Red List of Threatened Species, the species is listed as "Least Concern (LC)".

Taxonomy

The first description by Werner Rauh and Curt Backeberg was published in 1956.

References

External links

* * {{Taxonbar, from=Q679418

procerus The procerus muscle (or pyramidalis nasi) is a small pyramidal muscle in the glabella. It is involved in facial expressions such as frowning and those associated with attentional control, and it indirectly helps shield the eyes from bright light ...

Flora of Peru