Magnolia, Linnaeus, 1753

Vázquez-García, J. Antonio, Kelly, Daniel L., Mejía-Valdivieso, Darío A., Morales, Wilson, Dahua-Machoa, Alex, Vega-Rodríguez, Hermes, Peña, Alondra Salomé Ortega, Padilla-Lepe, Jesús & Muñiz-Castro, Miguel Á., 2022, Magnolia (Magnoliaceae) in Honduras: a synopsis with six new taxa, Phytotaxa 570 (2), pp. 109-149 : 144-145

Key to species of Magnolia of Honduras

1. Fruit dehiscence circumscissile, stipular scar along the entire abaxial surface of the petiole, M. sect. Talauma subsect. Talauma .. 2

– Fruit dehiscence dorsal, stipular scar free from the petiole, M. sect. Magnolia ................................................................................. 3

2. Carpels 90–96, stamens 305–310 ..................................................................................................................................... M. atlantida

– Carpels 7–11, stamens 72–82 ......................................................................................................................................... M. cochranei

3. Leaves abaxially pubescent ................................................................................................................................................................4

– Leaves abaxially glabrous ..................................................................................................................................................................5

4. Leaves broadly elliptic to obovate ........................................................................................................... M. sororum subsp. sororum

– Leaves elliptic or narrowly elliptic to oblanceolate or narrowly oblanceolate ..................................................................................6

6. Carpels glabrous ........................................................................................................................................................... M. celaquensis

– Carpels pubescent, puberulous to glabrescent...................................................................................................................................7.

7. Carpels 16–20, densely yellowish pilose............................................................................................. M. sororum subsp. oligocarpa

– Carpels 23–38, brownish adpressed-pubescent to glabrescent...........................................................................................................8

8. Leaves elliptic, oblanceolate or lanceolate, peduncles 0.8–2.3 cm long with tawny pubescence............................... M. hondurensis

– Leaves narrowly elliptic to narrowly oblanceolate, peduncles 2.6–4.3 cm long with amber hairs....................................... M. darioi

5. Carpels 12–14.....................................................................................................................................................................................9

– Carpels 20–50...................................................................................................................................................................................10

9. Lateral veins per side 6–8, stamens 32–36.................................................................................................................. M. cusucoensis

– Lateral veins per side 16–17, stamens 38–42........................................................................................................... M. picopijolensis

10. Leaves broadly obovate, carpels 20–22.................................................................................................................... M. pastorcortesii

– Leaves oblong-elliptic or oblanceolate, carpels 25–50 .................................................................................................. M. yoroconte