Patrick Blanc observing the cylindrical channelled leaves of Sansevieria sinus-simiorum, Lake Malawi NP, Aug. 2017
Patrick Blanc behind a vegetative population of Sansevieria sinus-simiorum growing at the top of a bare rock, Lake Malawi NP, Aug. 2017
Patrick Blanc and a vegetative population of Sansevieria sinus-simiorum growing at the top of a bare rock, Lake Malawi NP, Aug. 2017
Patrick Blanc and a population of Euphorbia malevola growing on bare rocks, Lake Malawi NP, Aug. 2017