During the 2011 speleological expedition to the Puerto Princesa Underground River (Palawan. Philippines) a drapery characterized by several close-to-horizontal ribs has been noticed. Even without sampling and analyzing its internal growth layers. a detailed morphological study allowed to present a possible genetic model. https://www.lecoureures.shop/product-category/course-a-pied-femme-chaussures-light-trainer/