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Piptocarpha tetrantha Urb. (Symb. Antill. 1: 457. 1899.) Localities: West Indies (endemic), Greater Antilles [ Puerto Rico (endemic)[], ], Synonyms: Vernonia tetrantha (Urb.) Ekman (Ark. Bot. 13(15): 8. 1914.), Citations:1). Acevedo-RodrÃguez, P. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U.S. Natl. Herb. 51: 1-483. 2). Ekman, E.L., 1914. West Indian Vernonieae. Ark. Bot. 13(15): 1-106. 3). Liogier, A.H. 1985-1997. Descriptive Flora of Puerto Rico and adjacent islands. Spermatophyta. Vols. 1-5. Editorial Universitaria, Universidad de Puerto Rico, Rio Piedras, Puerto Rico. 4). Robinson, H. 1999. Generic and subtribal classification of American Vernoniae. Smithsonian. Contrib. to Botany 89: 1-116. 5). Urban, I. 1898-1928. Symbolae Antillanae, Vol. 1-9. Berlin, Leipzig, Germany. Last edited 06 Aug 09 |