Trichilia elegans A. Juss. subsp. elegans

Pennington, Terence D., 2016, Systematic Treatment Of American Trichilia (Meliaceae), Phytotaxa 259 (1), pp. 18-162 : 54-56

11a. Trichilia elegans A. Juss. subsp. elegans . Plate 3 , Map 16

Trichilia paraguayensis P.T.Li & X.M.Chen, Acta Phytotax. Sinica 22(6): 495 (1984). New name for Trichilia alba Rojas (Cat. Nat. Hist. Corrientes 154 (1897), nom. nud. based on a name without a botanical description).

For synonymy see FN 28: 84 (1981). Illustration: FN 28: 80, figs. 10, 11 (1981).

Distribution & Ecology. Widespread and abundant in southern Brazil, Paraguay and northern Argentina, and extending through western South America to Bolivia, Peru, Ecuador, Colombia, Venezuela and Guyana, but only around the periphery of the Amazon basin. In the eastern and southern part of its range it is common in seasonally dry forest and gallery forest in cerrado, elsewhere it occurs in lowland rain forest along the eastern flank of the Andes. In Ecuador and northern Peru it is present in both tropical dry forest on the Pacific coast and in lowland rain forest in Amazonia. Elevational range up to 1000 m.

Representative Additional Collections. COLOMBIA. Valle: between Buga and Buenaventura (NW0376), Croat 56749 (K).

VENEZUELA. No new collections seen from Venezuela.

MAP 16. Distribution of Trichilia elegans A. Juss. subsp. elegans . Solid dots, distribution pre-1981, open dots new records 1981–2010.

GUYANA. Rupununi District: NE slope of Mount Shiriri (NW0259), Jansen-Jacobs et al. 4160 (K, US). ECUADOR. Guayas: Guayaquil, Cerro Blanco (SW0279), Palacios & Rubio 9934 (K, NY). Loja: Puyango Petrified Forest (SW0380), Cornejo et al. 4155 (K). Manabí: Cantón Pedernales, Camarones (SW0080), Neill et al. 11271 (K). Orellana: ca. 30 km NNW of Coca, R. Huashito (SW0077), Pennington 10603 (K). Pastaza: Cantón

Pastaza, 75 km E of Puyo (SW0177), Gudiño et al. 907 (K). Zamora-Chinchipe: Nangaritza Cantón, Rio Nangaritza, 3 km E of Miazi (SW0478), Neill & Palacios 9692 (K).

PERU. Amazonas: Rio Santiago, La Poza, Peña 148 (K). Cuzco: Prov. Cuzco, Distrito Camisea, Campamento Malvinas (SW1172), Acevedo-Rodríguez & Ramirez 9895 (K). Huánuco: Pachitea, Codo de Pozuzo (SW0975), Foster 9243 (K). Madre de Dios: Tambopata (SW1269), Gentry et al. 45798 (K). Pasco: Prov. Oxapampa, between R. Pichinas and R. Cacazu (SW1078), D. Smith 2672 (AMAZ, K). San Martín: Tarapoto, road Tarapoto to Bellavista km 25 (SW0676), Pennington et al. 12359 (K, MOL). Tumbes: Prov. Pampas Hospital, El Caucho (SW0380), Pennington et al. 12349 (K. MOL). Ucayali: Prov. Purus, Distrito Purus, Rio Curanja (SW1071), Graham & Schunke 1102 (K).

BRAZIL. Acre: Municipio Marechal Thaumaturgo, Rio Bage (SW0872), Daly et al. 10433 (K). Bahia: Municipio Jacobina, 20 km along Jacobina-Capim (SW1140), Carvalho et al. 2395 (K). Distrito Federal: Reserva Ecológica do IBGE (SW1547), Aparecida da Silva 2816 (K). Mato Grosso: Municipio Pontes e Lacerda, Matao (SW1559), Hatschbach et al. 65558 (K). Mato Grosso do Sul: Municipio Bonito, Rio Sucuri (SW2156), Hatschbach et al. 74091 (K). Minas Gerais: Januaria, Rio Peruacu (SW1544), Lombardi & Temponi 2219 (K). Pará: Rio Curua, Pacoval (SW0155), Jangoux & Bahía 1620 (K). Paraná: Municipio Dr Ulysses, Cabeiceras do Ribeirão do Tigre, Ribas & Silva 3192 (K). Roraima: Municipio Alto Alegre, near Maracá Ecological Station (NW0361), Henderson et al. 550 (K). São Paulo: Municipio Botucatu, Rubião Junior (SW2248), Gottsberger 19-151273 (K).

BOLIVIA. La Paz: Frans Tamayo, Apolo (SW1468), Wood et al. 19834 (K). Santa Cruz: Ichilo, Parque Amboro, Rio Surutu (SW1763), Seidel 3040 (K).

PARAGUAY. Alto Paraná: Estancia Rio Bonito (SW2554), Zardini & Vera 42642 (K). Amambay: Cerro Cora National Park (SW2255), Zardini & Baez 52412 (K). Caazapa: Tavai, E of Destacemento (SW2655), Zardini 7921 (K). Canindeyu: Mbaracayu Biosphere Reserve, Jejui Mi (SW2455), Zardini & Chaparro 60912 (K). Concepción: San Luis de la Serra National Park (SW2257), Zardini & Ramirez 41426 (K). Cordillera: Cerro Zanja Jhu (SW2557), Zardini 5088 (K). Guiara: Cordillera de Ybytyruzu, Cerro Pero (SW2556), Zardini 8080 (K). Itapua: Yacyreta Dam Island Reserve (SW2756), Zardini & Rodríguez 51680 (K). Misiones: San Juan Bautita, Cerro Coa Johguy (SW2657), Zardini & Tilleria 38433 (K). Paraguari: Ybiqui National Park (SW2656), Zardini 7569 (K). San Pedro: Colima 8 de Diciembre, Arroyo Mboi, Zardini & Benitez 3245 (K).

ARGENTINA. Corrientes: NE of Corrientes (SW2758), Beck & Liberman 9483 (K). Misiones: Dep. Gnal. San Martín, Salto Encantado (SW2754), Vanni et al. 949 (K).

Figures

PLATE 3. Trichilia elegans A.Juss. subsp. elegans. A, habit with inflorescence; B, detail of leaf undersurface with gland dots; C, detail of hair tufts in vein axil; D, half flower (female); E, cross-section of ovary; F, half flower (male); G, infructescence. (A–E, Jansen-Jacobs et al. 1006; F, Stoffers et al. 282; G, Jansen-Jacobs et al. 4160).