Weberbauerocereus winterianus

Weberbauerocereus winterianus grows tree-shaped and reaches a height of 4 to 6 meters. The approximately 2 meter long trunk branches into parallel shoots with a diameter of 5 to 8 centimeters. The 20 to 30 blunt ribs are up to 5 millimeters high and tuberous. The dark areoles on it are up to 4 millimeters long. Dark, golden-yellow thorns emerge from them. The 12 to 15 needle-shaped central spines are strong and up to 1.5 centimeters long. The 20 to 30 fine marginal thorns lie close to the shoots. They are 5 to 15 millimeters long. In the flowering area, the shoots are covered with fine, light yellow to golden yellow, bristle-like thorns that are up to 7 centimeters long.

The flowers open at night and are up to 7.5 centimeters long. Its brown-red to green flower tube is covered with blackish-brown wool. The flower bracts are white or slightly pink. The barrel-shaped fruits are green to reddish and reach a diameter of up to 4 centimeters. They are covered with dense dark wool.[2]

Weberbauerocereus winterianus is distributed in the Peruvian regions of Cajamarca and Ancash.

The first description was made in 1962 by Friedrich Ritter.[3] The specific epithet winterianus honors the nursery owner Hildegard Winter (1893–1975), Friedrich Ritter's sister. Nomenclature synonyms are Haageocereus winterianus (F.Ritter) P.V.Heath (1995) and Echinopsis winteriana (F.Ritter) Molinari & Mayta (2015).

• Media related to Weberbauerocereus winterianus at Wikimedia Commons
• Data related to Weberbauerocereus winterianus at Wikispecies