Octavia sessiliflora DC. and Mussaenda glomerulata Lam. ex Poir., two obscure taxa from French Guiana synonymous with members of the Alibertia group (Rubiaceae, Gardenieae) Author Delprete, Piero G. Herbier de Guyane, UMR AMAP, Institut de Recherche pour le Développement (IRD), boîte postale 165, F- 97323 Cayenne, French Guiana (France) piero.delprete@ird.fr Author Persson, Claes Department of Biological and Environmental Sciences, University of Gothenburg, P. O. Box 461, S- 405 30 GÖteborg (Sweden) claes.persson@bioenv.gu.se text Adansonia 2012 3 2012-12-31 34 2 353 363 http://www.bioone.org/doi/abs/10.5252/a2012n2a9 journal article 10.5252/a2012n2a9 9b30482b-c77a-411e-8852-584943e03e17 1639-4798 5205961 Amaioua glomerulata (Lam. ex Poir.) Delprete & C.Persson, comb. nov. ( Fig. 2 ) Mussaenda glomerulata Lam.ex Poir. , Encyclopédie méthodique, Botanique 4: 393 (1797) . — Rondeletia glomerulata (Lam. ex Poir.) Spreng. , Systema Vegetabilium 1: 707 (1824) . — Type : French Guiana , s.d. [1781-1785], L.C. Richard s.n. (lecto-, P-Lam [ P00308470 !], here designated). Amaioua corymbosa Kunth in Humb. & Bonpl., Nova Genera et Species Plantarum 3: 419 (1820) . — Type: Venezuela, Cumanacoa, Humboldt & Bonpland s.n. (holo-, P-Bonpl.!). Amaioua fagifolia Desf. , Mémoires du Muséum national d’Histoire naturelle (Paris) 6: 14 (1820) . — Type:French Guiana,s.d., J.Martin s.n. (syn-,P[2 specimens], P-Juss.!). SPECIMENS EXAMINED. — Mexico . Chiapas, Mun. Las Margaritas, W side of Laguna Miramar, E side of San Quintín, 350 m , 11.II.1973 , fr., Breedlove 33144 (NY). Belize . Cayo, near Augustine, 450 m , 26.VIII.1980 , fem. fl., Whiteford 2222 (BM). Nicaragua . Comarca de El Cabo Río Leicus, 28 km SW of Waspan, 66 m , 25.VIII.1965 , fem. fl., Molina R. 15200 (NY). Guatemala . Izabal, Sto. Tomás de Castilla, c . 30 km SW of town, Sinai, 15°39’N, 88°35’W, 15.III.1988 , fr., Marshall et al. 396 (NY). Panama . Panama, Las Perlas, San José Island, 19.VII.1967 , male fl., Stimson 5328 (NY). Guyana . Kanuku Mts, Rupunini R., Crabwood Cr., 29.VI.1995 , fr., Jansen-Jacobs et al. 4278 (CAY, GB, NY). — Rupununi Distr., Kuyuwini Landing,Kuyuwini R., 10.X.1992 , imm. fr., Jansen-Jacobs et al.2832 (CAY, L, NY). Suriname . Distr. Suriname, Zanderij Savanne, Hekking 901 (L). — Mapane Creek, area near camp 8, Schulz 7548 (L, NY). French Guiana . Sinnamary, Brigandin, 26.III.1993 , imm. fr., Puig 12055 (CAY). — Basse crique Courouaïe (affluent du Bas Approuague), à 5 km en amont des Deux Fourches, 15.I.1970 , imm. fr., Oldeman B-2766 (CAY). DISTRIBUTION AND ECOLOGY Distributed from Mexico and Cuba to Colombia , Venezuela , the Guianas, and Brazil . It is found in low scrub forest, seasonally deciduous forest, or savanna forest on white sand, lateritic clay soil, brown sand on rocky substrate, sometimes along creeks on alluvial soils, from sea level to 800 m altitude.