Lamourouxia nelsonii Robinson & Greenman. Amer. J. Sci. Arts 1895
Creators: name: Francisco-Gutiérrez, Antonio
name: Ruiz-Sanchez, Eduardo
name: González, Dolores
name: Lira-Noriega, Andrés
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Orobanchaceae
Lamourouxia
Lamourouxia nelsonii

description: 14. Lamourouxia nelsonii Robinson & Greenman. Amer. J. Sci. Arts, ser. 3, 50: 174. 1895. Lectotype designated by Ernst (1972: 49):— MEXICO. Oaxaca, 6 miles above Dominguillo, 4500–5000 ft., 30 October 1894, E.W. Nelson 1833 (Lectotype: US566389!; isolectotype: GH00078582!)
Figure 10 D–H.
Shrubs or sub-shrubs up to 160 cm tall, stems branched along the plant, erect, sometimes reclining, woody, glandularpubescent. Leaves sessile, narrowly ovate to linear-lanceolate, 20–75 × 6–15 mm, margin dentate to serrate rarely crenate, 5–14 teeth by side, teeth up to 3 mm long, apex acute, base attenuate to cuneate; membranous, glandularpubescent. Inflorescence a raceme, erect, pedicels thin, 1.5–9 mm long. Bracts equal along inflorescence, sessile, broadly ovate to linear-lanceolate, 8–39 × 6–15 mm, margin dentate, 4–10 teeth per side, teeth 0.4–0.9 mm long, apex acute, base cuneate to rounded. Calyx tubular without dots on the surface, 8–18 × 4–7 mm, lobes triangular to narrowly lanceolate, 6.3–8.2 × 2.1–2.5 mm, margin entire, very rarely lacerate, apex acute, glandular-pubescent. Corolla tubular, 42–63 × 5–9 mm, upper lip 12–23 × 4.2–6.4 mm, lower lip 16–19 × 2.6–4.2 mm, lobes 2–4 mm; salmon or orange to bright red, glandular-pubescent. Stamens exserted 2, up to 42 mm long, filaments of lower pair 10–46 mm long, anthers and filaments of upper pair not seen. Style 50–65 mm, stigma bilobed, 1.2 × 0.6–0.9 mm. Capsule ovoid, 7–17 × 5–8 mm. Seeds ca. 1 mm long, with reticulate coat.
Etymology: —The name honors E.W. Nelson, collector of the type specimen.
Common name: —Flor de lumbre.
Distribution and habitat: —This species is endemic to Mexico. It is distributed in the states of Guerrero, México, Morelos, Oaxaca, Puebla, and Querétaro (Fig. 10H). The species was found at elevation from 868 to 2990 m in xerophytic scrubs (Agave angustiarum Trelease in Standley (1920: 139), Opuntia Miller (1754: s.n.), Myrtillocactus Console (1897: 8), Rhus Linnaeus (1753: 265), Schinus molle Linnaeus (1753: 388–389), Yucca periculosa, Beaucarnea Lemaire (1861: 57, 59), Dasylirion Zuccarini (1838: 258), Bursera galeottiana Engler (1880: 43–44), tropical deciduous forests, oak forests (Q. castanea, Q. laeta Liebmann in Forchhamer (1854: 179 [–180]), and rarely in pine and oak forests and cloud forests.
Phenology: —Specimens with flowers and fruits were collected throughout the year except for February, October, and December.
Examined specimens: — MEXICO. Ciudad de México: Autopista México-Cuernavaca, km 53, 2050 m, 12 July 1959, Espinosa 147 (ENCB!, MEXU!). Estado de México: Ixtapaluca, ca. 5 mi W of Río Frío, 05 July 1982, Spooner & Triplehorn 2102 (MEXU!). Guerrero: Teloloapan, Xalostoc, 30 km al NW de Iguala, 1420 m, 25 August 1982, Tenorio et al. 1507 (MEXU!). Tlapa de Comonfort, en el puente El Salado, a 8 km al N de Tlapa, 990 m, 25 August 1982, Martínez et al. 2692 (MEXU!, US!). Morelos: Cuernavaca, lava beds near Cuernavaca, 26 June 1896, Pringle 6331 (MEXU!, MO, US!). Tlayacapan, Ca. Tlayacapan, sobre la carretera hasta Oaxtepec, ca. 1.5 km del cruce con la carretera Totolapan-Yautepec, 1660 m, 20 June 1980, Lott 244 (ENCB!, MEXU!). Oaxaca: Huajuapan de León, Route 15, at km 376, ca. 13.5 km northwest of Tamazulapan, 2260 m, 21 July 1966, Cruden 1095 (MEXU!); 4 km al NW sobre la carretera de Huajuapan de León, 2100 m, 30 May 1973, Rzedowski 30702 (MEXU!); 7 km NW of Huajuapan de Leon on hwy 190, 20 July 1993, Seigler et al. DS13979 (MEXU!); 10 km al N de Huajuapan de León o 2 km al N de Luz Nagore carr. Huajuapan-Tehuacán, 1170 m, 17 July 1982, Torres-Colín 780 (MEXU!); La Reforma entre Huajuapan de León y Tamazulapan, 06 June 1985, Torres-Colín & García-Mendoza 6654 (MEXU!, MO). San Jerónimo Sosola, 1500 m, 24 July 1993, Salinas & Flores 7329 (MEXU!). San Juan Bautista Cuicatlán, La Mantecosera, San José El Chillar, 868 m, 14 August 2002, Cruz & San-Pedro 1048 (MEXU!); Barraca de las Guacamayas, San José El Chilar, 1107 m, 15 August 2002, Cruz & San-Pedro 1074 (MEXU!), 1187 m, 29 September 2002, Soto et al. 23974 (MEXU!); San Juan Coyula, 1049 m, 20 June 2002, García et al. 869 (MEXU!). San Juan Mixtepec, 4 km al NO, 1780 m, 08 July 1988, Reyes-Santiago 314 (MEXU!). San Martín Toxpalan, 1 km al SE, 29 July 1983, Chiang et al. 2381 (MEXU!, MO!). San Pedro Nopala, 6 km al N, Cerro Pericón, 2700 m, 16 April 1990, García-Mendoza & Reyes-Santiago 4581 (MEXU!). Santiago Chazumba, Agua del Coyote, ca. 1.5 km al O de Olleras de Bustamante, 1670 m, 29 April 2010, Carrillo-Reyes & Cabrera-Toledo 6054 (MEXU!). Santa Catarina Zapoquila, La Garabatera, abajo del Rincón del Chicamole, 2400 m, Tenorio 19055 (MEXU!). Teotitlán de Flores Magón, 3 km delante de Teotitlán del Camino, por la carretera a Huautla de Jiménez, 1300 m, 29 June 1987 Salinas et al. 4099 (MEXU!). Tlacotepec de Mejía, C. Peña Agujerada, 2300 m, 12 July 1971, Cabrera s.n. (ENCB!). Zapotitlán Palmas, 2 mi E of Oaxaca border, 9.6 mi NW of Huajuapan, along hwy 190, 20 July 1979, Case et al. 101 (ENCB!); Frontera Puebla-Oaxaca, carr. Acatlán-Huajuapan de León, 2050 m, 06 June 1985, Torres-Colín & García-Mendoza 6651 (MEXU!, MO). 16 km al SE de Dominguillo, 11 km al NW de Tonaltepec, entre Cuicatlán y Telixtlahuaca, 1500 m, 05 May 1980, González-Medrano et al. F1097 (MEXU!). Puebla: Amozoc, Parque estatal Gral. Lázaro Cárdenas, 2240 m, 20 May 1993, Martínez 825 (MEXU!). Atexcal, carretera Pino Suárez-San Juan Ixcaquixtla, 22 June 2015, Castañeda MCZ1071 (MEXU!). Atlixco, 23 March 1941, Miranda 1433 (MEXU!). Caltepec, 10 July 1980, González-Medrano et al. 11630 (MEXU!); a 2 km de la entrada de Caltepec, al SW del poblado, 1750 m, 08 July 2002, Alvarado-Cárdenas et al. 126 (MEXU!); Barranca de los Membrillos, 1860 m, Tenorio 3798 (MEXU!); cerro El Gavilán, al SE de Caltepec, 05 May 1983, Tenorio et al. 3718 (MEXU!), 14 July 1986, Tenorio et al. 11778 (MEXU!); ladera N de la Mesa de Pala, al SE de Acatepec, 2180 m, 14 August 1984, Tenorio & Romero 6879 (MEXU!); roca al SE de Cruz Chica, Acatitlán, 2137 m, 14 April 2001, Tenorio 20070 (MEXU!). Chalchicomula, Sierra de Chalchi, June 1945, Miranda 3568 (MEXU!). Chapulco, a 5 km al NO de Azumbilla, 2300 m, 26 June 1987, Martínez 21667 (MEXU!, MO). Huehuetlán El Grande, carretera de Valsequillo al Aguacate, 5 km antes de llegar al Aguacate, 16 July 1994, Rodríguez 899 (MEXU!). Jolalpan, Cerro El Jumil, al NW de Zacacuautla, 1700 m, 17 July 1984, Guízar 1397 (MEXU!). Santiago Miahuatlán, 1941 m, 26 July 2014, Castañeda MCZ834 (MEXU!). Santo Tomás Hueyotlipan, 3 km al sur de San Miguel Zacaola, 2000 m, 27 June 1982, González-Medrano et al. 12632 (MEXU!). Tehuacán, Cerro El Tepechante, Magdalena Cuayucatepec, 1808 m, 01 January 2015, Castañeda MCZ984 (MEXU!); 2 km al O, 1750 m, 23 July 1979, Chiang-Cabrera et al. 25 (MEXU!, MO); 24 km al NW, en la estación de microondas, rumbo a Tecamachalco, 27 July 1983, Chiang-Cabrera et al. 2328 (MEXU!); 3 miles NE, along road to Veracruz, 04 August 1963, Gentry et al. 20245 (MEXU!, US!), 2.2 mi NE of San Antonio Texcala, 2010 m, 17 July 1978, Pennell et al. 188 (ASU!, MEXU!); Meseta de San Lorenzo, 27 June 1987, Salinas et al. 4030 (MEXU!); on La Mesa above El Riego, July 1961, Smith Jr. et al. 3773 (MEXU!, US!); near Cerro Colorado beyond Santa Cruz, July 1961, Smith Jr. et al. 4065 (MEXU!, US!). Tepanco de López, 0.5 mi N of Cacaloapan on Rte 150 libre to Puebla, 26 May 1986, Luckow 3183 (MEXU!); 6 km al SW de San Andrés Cacaloapan, 1694 m, 11 May 2007, Rosas et al. 2978 (MEXU!); 2.5–3.5 mi NW of Cacalopan, 06 July 1972, Webster et al. 17236 (MEXU!). Zapotitlán Salinas, Cerro La Flor al O de La Estanzuela, 2300 m, 12 July 1986, Salinas et al. F3415 (MEXU!); 1 km al SW de Zapotitlán Salinas, 1700 m, 29 June 1991, Valiente et al. 908 (MEXU!). Querétaro: Pinal de Amoles, La Cuesta, 3 km al S de Escanelilla, 1100 m, 14 July 1983, Fernández & Acosta 2151 (MEXU!).
description: Published as part of Francisco-Gutiérrez, Antonio, Ruiz-Sanchez, Eduardo, González, Dolores & Lira-Noriega, Andrés, 2023, Lamourouxia (Orobanchaceae) of Mexico, pp. 1921-1935 in Phytotaxa 582 (1) on pages 1921-1935, DOI: 10.11646/phytotaxa.582.1.1, http://zenodo.org/record/7609060