Lapiedra is a genus of Western Mediterranean plants in the Amaryllis family.Lagasca y Segura, Mariano. 1816. Genera et species plantarum 14. It now contains only one known species, Lapiedra martinezii, native to Spain and Morocco.Kew World Checklist of Selected Plant FamiliesTropicos, Lapiedra Lag.Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.Region de Murcia, Flor de la estrella (Lapiedra martinezii) in Spanish, with photos Flora silvestre del Mediterráneo, Flor de la estrella (Lapiedra martinezii) in Spanish, with photos
Two other former species are considered members of other genera (Narcissus and Traubia). Lapiedra chilensis - Traubia modesta Lapiedra gracilis - Narcissus cavanillesii
Etymology The genus is named after María Josefa La Piedra (1775-1858), a Spanish botanist.
References
Bibliography Rios et al. Biogeographical patterns and phenological changes in Lapiedra martinezii Lag. related to its alkaloid diversity. 2013