Haageocereus acranthus

Haageocereus acranthus is a species of Haageocereus found in Peru.

Description
Haageocereus acranthus grows in a columnar shape with arching or upright, sparsely branched shoots and reaches heights of 1 to 2 meters with diameters of up to 8 cm. There are twelve to 14 ribs, which are divided into tubercles near the shoot tip. The closely spaced areoles are yellow to dark brown. The usually single central spine, occasionally several are present, is directed downwards and up to 4 cm long. The 20 to 30 yellow radial spines are up to 1 cm long.

The greenish white flowers are 6 to 8 cm long. The green fruits are spherical.

Subspecies
Accepted subspecies:

Distribution
Haageocereus acranthus is widespread in the Peruvian regions of Ica and Lima at altitudes of 200 to 2700 meters.

Taxonomy
The first description as Cereus acranthus was made in 1913 by Friedrich Karl Johann Vaupel. The specific epithet acranthus means 'pointy-flowered'. Curt Backeberg placed the species in the genus Haageocereus in 1936. Further nomenclature synonyms are Pilocereus acranthus K.Schum. ex Weberb. (1911) and Binghamia acrantha (Vaupel) Britton & Rose(1920, incorrect name ICBN article 11.4).