Phylogenetics of Leptocereus (Cactaceae) on Hispaniola: clarifying species limits in the L. weingartianus complex and a new species from the Sierra de Bahoruco Author Majure, Lucas C. https://orcid.org/0000-0002-0369-1906 University of Florida Herbarium (FLAS), Florida Museum of Natural History, Gainesville, FL 32611, USA lmajure@ufl.edu Author Encarnacion, Yuley University of Florida Herbarium (FLAS), Florida Museum of Natural History, Gainesville, FL 32611, USA & Department of Biology, University of Florida, Gainesville, Florida, USA Author Clase, Teodoro Departamento de Botanica, Jardin Botanico Nacional " Dr. Rafael M. Moscoso ", Santo Domingo, Dominican Republic Author Peguero, Brigido Departamento de Botanica, Jardin Botanico Nacional " Dr. Rafael M. Moscoso ", Santo Domingo, Dominican Republic Author Ho, Kelly Department of Biology, University of Florida, Gainesville, Florida, USA Author Barrios, Duniel Grupo de Ecologia y Conservacion, Jardin Botanico Nacional, Universidad de La Habana, Habana, Cuba text PhytoKeys 2021 2021-01-29 172 17 37 http://dx.doi.org/10.3897/phytokeys.172.59497 journal article http://dx.doi.org/10.3897/phytokeys.172.59497 1314-2003-172-17 4DB8CA6E0B81535B951805F29EEFF59A 5. Leptocereus weingartianus (E.Hartmann) Britton & Rose Cactaceae 2: 77. 1920. Figs 8 , 9 Cereus weingartianus E. Hartmann Monatsschr. Kakteenk. 14: 155. 1904. Type. Haiti. Lectotype (designated by Barrios and Majure, in review). Photo of type material of L. weingartianus in Hartmann (1904) . Notes. There has been some confusion around the type of L. weingartianus - Areces-Mallea (2017) designated a neotype of L. weingartianus considering that the original type specimen is likely not extant, however, the photo of the type material in the protologue ( Hartmann 1904 ) represents original material (Fig. 9C ) and thus should serve as the type for this species. Thus, the neotype designation by Areces-Mallea (2017) from Cote le Fer, Haiti, is superfluous. Although supposedly deposited in JBSD and NY, we have been unable to find those specimens. Likewise, we have been unable to locate the other specimens of L. weingartianus ( Areces 5973 , 6438 , 6814 , 6815 , 6875 ) cited by Areces-Mallea (2017) and supposedly at NY, so those are not cited in our specimens examined here. Additional specimens examined. Dominican Republic. Prov. La Altagracia. Bayahibe , La Romana, 1-5 m, 21 Feb 1976, Liogier & Liogier 24907 (JBSD, NY). Cabo Engano , on coastal road, 14 May 1980, Mejia & Zanoni 6299 (JBSD). Parque Nacional del Este, Sector Guaraguao, 21 ene 1986, Salazar et al. 317 (JBSD). Parque Nacional del Este, en el camino hacia La Cueva de Jose Maria , Guaraguao, 1-30 m, 28 abr 2001, Veloz & Cedeno 2648 (JBSD). Prov. Azua. Municipio Sabana Yegua, despues del cruce del 15, yendo hacia San Juan, aprox. 600 m antes del poblado de Las Guanabanas , 241 m, 30 jul 2011, Clase et al. 6824 (JBSD). Sierra Martin Garcia , Sept 1976, Liogier 25277 (JBSD). Azua, Mar 1913, Rose et al. 3941 (NY, US). Prov. Barahona. Barahona, Sierra Martin Garcia , ca. 0.6 km al noreste del Cruce de Vicente Noble, al noreste ca. 11.2 km de la Carretera 44, a lo largo del un arroyo seco, 685 m, 3 nov 2016, Majure 6438 (DES, JBSD). Sierra Martin Garcia , ca. 0.6 km al noreste del Cruce de Vicente Noble, al noreste ca. 11.2 km de la Carretera 44, a lo largo del un arroyo seco, 755 m, 3 nov 2016, Majure 6464 (DES, JBSD). Prov. Elias Pina . Cerro San Francisco (lado del sur), afuera del poblado de Banica al sur de Pedro Santana, 490 m, 14 mayo 2019, Majure 7863 (FLAS, JBSD). Prov. Independencia. Sierra de Bahoruco, ca. 1.5 km al este de El Limon en la Carretera 46 al sur del Lago Enriquillo, 43 m, 13 mayo 2019, Majure 7839 (FLAS, JBSD). Parque Nacional Sierra de Bahoruco, Puerto Escondido, Rabo de Gato, 433 m, 13 mayo 2019, Majure 7850 (FLAS, JBSD). Haiti. [Ouest]. Vicinity of Anse Galette, Gonave Island, 3-14 Mar 1920, Leonard 3123 (NY, US). Petite Gonave Island, 9-10 Jul 1920, Leonard 5256 (NY, US). Figure 9. Photographic plate of L. weingartianus A young developing stem showing yellowish spines B trunk of adult individual showing erect growth form C type of L. weingartianus from Hartmann (1904) D floral buds showing spiny pericarpels E opened flower F side view of open flower and associated stem showing yellowish spines G stem with crenate margins and spiny fruit H shiny, green, spiny fruit with yellowish spines, and I longitudinal section of fruit showing mature seeds. A taken from Majure 7839 B, E, F, H, I from Majure 6464 D from Majure 7863 and G from Majure 6438 . Photos by L.C. Majure.