Magnolia (sect. Talauma) (subsect. Talauma) subsect. Talauma
Creators: name: Vázquez-García, J. Antonio
name: Neill, David A.
name: Asanza, Mercedes
name: Recalde, Luis
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Magnoliaceae
Magnolia

description: Key to Ecuadorian species of Magnolia sect. Talauma subsect. Talauma *   
1. Carpels 5–20, stamens 20–90.............................................................................................................................................................2  
- Carpels 35–135, stamens 105–175.....................................................................................................................................................7  
2. Leaves suborbicular, cordate, broadly ovate, rarely broadly elliptic..................................................................................................3  
- Leaves elliptic to lanceolate or broadly elliptic..................................................................................................................................4  
 3. Mature leaf blades 6–11 cm long, outer petals obovate–spathulate and strongly concave............................... Magnolia vargasiana   
 - Mature leaf blades 15–22 cm long, outer petals narrowly oblanceolate and slightly concave............................ Magnolia kichuana   
4. Leaf blades at least abaxially pubescent.............................................................................................................................................5  
 - Leaf blades mostly glabrous or glabrescent in both sides..................................................................................................................6 5. Petals 3–3.3 cm long; fruit 4 cm long, lateral nerves 13–15 per side.................................................................. Magnolia zamorana   
 - Petals 1.5–2 cm long; fruit 3 cm long, lateral nerves 8–12 per side................................................................... Magnolia palandana   
 6. Carpels 4–6, stamens 20–25 (Cordillera Llanganates, Ecuador)................................................................. Magnolia llanganatensis   
 - Carpels 14–18, stamens 81–87............................................................................................................................... Magnolia rimachii   
7. Carpels unbeaked................................................................................................................................................................................8  
- Carpels strongly beaked at the tip......................................................................................................................................................9  
 8. Carpels 124–132....................................................................................................................................................... Magnolia dixonii   
 - Carpels 96–104................................................................................................................................................. Magnolia canandeana   
 9. Petioles and internodes pubescent, carpels 35–40...................................................................................................... Magnolia neillii   
 - Petioles and internodes glabrous or glabrescent, carpels 78–122....................................................................................................10   
 10. Fruit obovoid, mature leaves 28.0–55.0 × 12.0– 26.5 cm; lateral leaf veins per side 10–22............................ Magnolia equatorialis   
 - Fruit ovoid, mature leaves 16.0–26.0 × 6.0–17.0 cm, lateral leaf veins per side 6–9..................................... Magnolia pastazaensis
description: Published as part of Vázquez-García, J. Antonio, Neill, David A., Asanza, Mercedes & Recalde, Luis, 2015, Magnolia vargasiana (Magnoliaceae), a new Andean species and a key to Ecuadorian species of subsection Talauma, with notes on its pollination biology, pp. 26-34 in Phytotaxa 217 (1) on pages 31-32, DOI: 10.11646/phytotaxa.217.1.2, http://zenodo.org/record/13634521