Magnolia (sect. Macrophylla) Figlar & Noteboom 2004
Creators: name: Sánchez-González, Arturo
name: Gutiérrez-Lozano, Marisol
name: Yescas, Reyna Domínguez
name: Hernández-Álvarez, Adriana Gisela
name: Ortega-Peña, A. Salomé
name: García, J. Antonio Vázquez-
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Magnoliaceae
Magnolia

description: Key to species of Magnolia sect. Macrophylla   
1. Mature fruit broadly ovoid to subglobose.........................................................................................................................................2.  
- Mature fruit, oblongoid, ovoid or ellipsoid.......................................................................................................................................3.  
 2. Leaves 50–110 cm long; petals 20 to 23 cm long; gynoecium 4 cm long; stamens (300–)350–580; carpels (44–)50–80; carpel valve margin wide, 0.4–0.5 (–0.7) cm thick; growing at 150–300 m (United States: AL, AR, GA, KY, LA, MS, NC, OH, TN, and VA)...................................................................................................................................................................................... M. macrophylla   
 - Leaves 25.0–35.0(–40.0) cm long; petals 10.0–11.0 cm long; gynoecium 2.0 cm long, stamens 200–220; carpels 30–40; carpel valve margin narrow, 0.2–0.3 cm thick; growing at 1500–1700 m (Mexico: Nuevo León).................................. M. nuevoleonensis   
3. Carpel beak <0.7 cm..........................................................................................................................................................................4.  
- Carpel beak 1.0– 1.5 cm.....................................................................................................................................................................5.  
 4. Multi-trunked shrub or lax trees 8.0–10.0 (–12.0) m; fruit cylindrical to ellipsoid; carpels 20–25(–50), growing below 150 m (United States: Florida).......................................................................................................................................................... M. ashei   
 - Single upright trees 8.0–25.0 m; fruit rhomboid-ovoid; carpels 50–65; growing at 800–1950 m (Mexico)........... M. rzedowskiana   
5. Carpels 42–78....................................................................................................................................................................................6.  
- Carpels 80–127..................................................................................................................................................................................7.  
 6. Stamens 192–216, carpels 42–54 (México: Tamaulipas).............................................................................................. M. alejandrae   
 - Stamens 308–352, carpels 60–78 (Mexico: Veracruz)..................................................................................................... M. vovidesii   
 7. Fruit dark green to yellow, young fruits glabrescent; stamens 1.9–2.1 cm long; carpels acute to blunt, the tip deciduous (Mexico: Oaxaca)............................................................................................................................................................................. M. dealbata   
 - Fruit pinkish-purplish to dark red, young fruit velvety; stamens 1.3–1.8 cm long; carpels acuminate to caudate, the tip sometimes persistent during dehiscence (Mexico: Hidalgo / Puebla border)......................................................................................... M. zotictla
description: Published as part of Sánchez-González, Arturo, Gutiérrez-Lozano, Marisol, Yescas, Reyna Domínguez, Hernández-Álvarez, Adriana Gisela, Ortega-Peña, A. Salomé & García, J. Antonio Vázquez-, 2021, Magnolia zotictla (Magnolia sect. Macrophylla, Magnoliaceae): a new species from the southern Sierra Madre Oriental, México, pp. 271-281 in Phytotaxa 513 (4) on pages 279-280, DOI: 10.11646/phytotaxa.513.4.1, http://zenodo.org/record/5313008