Haageocereus bieblii

Haageocereus bieblii is a species of Haageocereus from Peru.

Description
Haageocereus bieblii grows individually with spherical, green shoots up to 5 cm in diameter that barely protrude from the ground. The 10 to 25 barely recognizable ribs are divided into wart-like humps. The single central spine, which is 2 to 4 mm long and 1 mm in diameter, may also be missing. The 3 to 10 comb-shaped radial spines are white to dark yellow and 1 to 1.5 mm long.

The broad, funnel-shaped, white flowers are 6 to 7 cm long and 4.5 to 6 cm in diameter. Its flower tube is long and slender. The 6 to 10 mm long fruits are greenish red to brownish.

Subspecies

 * Haageocereus bieblii subsp. bieblii
 * Haageocereus bieblii subsp. kuehhasii (Diers) Ostolaz

Distribution
Haageocereus bieblii is distributed in the Ancash region of Peru, northwest of Huaraz, at altitudes of 600 to 1800 meters.

Taxonomy
The first description was made in 1995 by Lothar Diers. The specific epithet bieblii honors the German cactus collector Wolfgang Biebl. A nomenclature synonym is Pygmaeocereus bieblii Diers (1995)