Pilosocereus royenii Images

Plants growing in native habitat on Antigua
Photograph by: Anneli Salo

Cultivated plant in the Brooklyn Botanic Garden, Brooklyn, New York, USA.
Photograph by: Daderot
Creative Commons Zero, Public Domain Dedication

Close-up of the flower
Photograph by: Jerjes Medina Albino

A tuft of long, whitish hair often occurs on one side near the top - the “beard”. If moisture/dew form on the hairs, the water drips downward, near the plant's roots. This is an evolutionary adaptation to living in an arid climate
Photograph by: James St. John