Harrisia brookii

Harrisia brookii is a species of cactus found in the Bahamas.

Description
Harrisia brookii grows as a shrub with richly branched, light green shoots 3 to 4 centimeters in diameter and reaches heights of up to 5 meters. There are ten distinct, deeply notched ribs. The nine to twelve brown to white thorns are up to 2.5 centimeters long.

The funnel-shaped flowers are around 20 centimeters long. Its floral tube and pericarpel are covered with long, pointed scales. The yellowish, ellipsoid to spherical fruits reach a diameter of up to 8 centimeters. They are covered with low tubercles and perennial scales.

Distribution
Harrisia brookii is common in the Bahamas at elevations of 0-20 meters.

Taxonomy
The first description by Nathaniel Lord Britton was published in 1909. The specific epithet brookii honors the archivist Herbert A. Brooke from the Bahamas. A nomenclature synonym is Cereus brookii (Britton) Vaupel (1913).