Lamourouxia avendanoi Francisco-Gutierrez. Phytotaxa 2022
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 avendanoi

description: 1. Lamourouxia avendanoi Francisco-Gutiérrez. Phytotaxa 549(1): 54. 2022. Type:— MEXICO. Nayarit: Nayar [Zacatecas: Valparaíso], 50 km al NE de Jesús María, carr. a Huejuquilla, 2000–2230 m, 13 September 1989, P. Tenorio-Lezama & G. Flores-Franco 16022 (Holotype: MEXU000520487!)
Figure 4 A–D.
Herbs 40–60 cm tall, stems solitary, erect, woody, hirsute, non-glandular. Leaves sessile, elliptic, broadly elliptic to oblong, 24–56 × 17–29 mm, margin dentate to crenate, 6–16 teeth per side, teeth 0.5–3.3 mm long; apex acute to obtuse, sometimes short-acuminate, base rounded; coriaceous, pilose with non-glandular trichomes. Inflorescence a raceme, erect, pedicels thin, 0.8–3.3 × 1 mm. Bracts equal along inflorescence, sessile, obovate to ovate, 8–25 × 3–20 mm, margin dentate, up to 7 teeth per side, teeth 0.5–2 mm long, apex acute, base rounded. Calyx campanulate without dots on the surface, 4.3–13 × 3.9–6 mm, lobes triangular, 2.6–7 × 1.1–4.4 mm, margin entire, apex acute, pubescent with non-glandular trichomes. Corolla tubular, 27–54 × 6–10 mm, upper lip 14–30 mm long, lower lip 7–24 × 2 mm, lobes 1.1–3.3 × 0.9 mm; pink or red, pubescent to shortly hirsute, non-glandular. Stamens exserted 2, filaments of lower pair 35–38 mm long, anthers ca. 3.4 mm long, filaments of upper pair not seen. Style 37–47 mm long. Stigma capitate, 1–1.4 × 0.9 mm. Capsule ovoid, 8.3–9.8 × 5.4–6 mm, glabrous. Seeds not seen.
Etymology: —The epithet honors Sergio Avendaño-Reyes, a Mexican botanist.
Distribution and Ecology: —The species is restricted to tropical deciduous forests, oak, and pine-oak forests of the Sierra Madre Oriental at elevations from 1325 to 2450 m. It is distributed in the states of Durango, Jalisco, Nayarit, and Zacatecas (Fig. 4E). Associated with Eysenhardtia polystachya (Ortega 1798: 66) Sargent (1892: 29), Acacia angustissima (Miller 1768: s.n.) Kuntze (1898: 47), Pinus oocarpa Schiede ex Schlechtendal (1838: 491–492), Calliandra houstoniana (Miller 1768: s.n.) Standley (1922: 386), and Bursera Jacquin ex Linnaeus (1762: 471) spp.
Phenology: —Flowering and fruiting from July to October.
Examined specimens: — MEXICO. Durango: El Salto, Pie de Cuesta 4 km al S de Pueblo Nuevo, 1860 m, 02 July 1984, Tenorio et al. 6169 (MEXU!, US!); Mezquital, Aprox. 4 km de La Guajolota, 11 September 1985, Solís 257 (MEXU!); Pueblo Nuevo, La Yerbabuena, comunidad San Bernardino de Milpillas, 2280 m, 26 September 1981, Pérez 797 (ENCB!); Toyaltita, Carboneras 54 km al SW de San Miguel de Cruces, brecha a Toyaltita, 1800 m, 06 July 1984, Tenorio et al. 6246 (MEXU!, US!). Jalisco: Bolaños, cañada 1.5 km al O de Las Berenjenas, 2 a 3 km al W de Las Berenjenas o de 7 a 8 km al W del crucero, 1800–2000 m, 02 July 1996, Calónico-Soto & Flores-Franco 2470 (IBUG!, MEXU!); camino crucero de Banderitas-Tuxpan de Bolaños, Sierra de Bolaños, 2450 m, 06 July 1996, Calónico-Soto & Flores-Franco 2505 (MEXU!, IBUG!), 29 October 2020, Ortiz-Brunel et al. 995, 996 (IBUG!). Nayarit: El Nayar, Arroyo de La Taberna northwest of Mesa del Nayar, 1325 m, 13 August 1980, Breedlove & Almeda 45556 (MEXU!).
Zacatecas: [Valparaíso] 31 km al NE de Jesús María, camino Jesús María-Huejuquilla, 1430 m, 27 July 1990, FloresFranco et al. 2103 (MEXU!); 50 km al NE de Jesús María, carr. a Huejuquilla, 2000–2230 m, 13 September 1989, Tenorio & Flores-Franco 16022 (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