Echinopsis clavata, is a species of Echinopsis found in Bolivia.[1]
Echinopsis clavatus grows shrubby, branches from the base and is more or less prostrate and creeping. The club-shaped, dark green shoots are 1 to 2 meters long and have a diameter of with seven to ten blunt ribs that are notched. The round areoles are densely covered with orange-brown wool and are apart. Dark brown, needle-like, mostly straight spiness emerge from them. The usually single, very strong central spine is long and four to eight slightly spread out radial spines are long. The funnel-shaped, white flowers reach a length of up to .[2]
Echinopsis clavatus is widespread in the Bolivian department of La Paz at altitudes of 2500 to 3000 meters.
The first description by Friedrich Ritter was published in 1980 as Trichocereus clavatus.[3] The specific epithet clavatus comes from Latin, means 'club-shaped' and refers to the shape of the shoots.