Salvia, Bentham (1876:, 1195

Martínez-Gordillo, Martha, Fragoso-Martínez, Itzi & Peña, María Del Rosario García, 2016, A new species of Salvia section Uliginosae (Lamiaceae), from Oaxaca, Mexico, Phytotaxa 245 (3), pp. 216-222 : 221

Key to the species of Salvia subgenus Calosphace section Uliginosae from Oaxaca, México

1. Bracts persistent, 2 flowers per node........................................................................................................................ S. tetramerioides

- Bracts early or lately deciduous, 3–6 flowers per node......................................................................................................................2

2. Plants mainly with basal leaves, broadly ovate ........................................................................................................................ S. nana

- Plants mainly with caulinar leaves with varied shapes but not broadly ovate...................................................................................3

3. Corolla tube 3.5–5 mm long, posterior lip up to 2.5 mm ...................................................................................................... S. pusilla

- Corolla tube 6–8 mm long, posterior lip> 3 mm ...............................................................................................................................4

4. Leaves lanceolate, lower surface densely pubescent......................................................................................................... S. textitlana

- Leaves rhomboid, ovate, deltoid or deltoid-ovate, lower surface glabrescent, except in the veins...................................................5

5. Petiole 5–8 cm long, stems with appressed trichomes ................................................................................................. S. tricuspidata

- Petiole 0.5–3 cm long, stems with erect trichomes............................................................................................................................6

6. Stems with long glandular trichomes, both blade surfaces also with glandular trichomes................................................... S. villosa

- Stems with short or long trichomes, eglandular, both blade surfaces with eglandular trichomes......................................................7

7. Anterior corolla lip 10–13 mm long, blades rhomboid to narrowly ovate................................................................... S. prunelloides

- Anterior corolla lip 7–8 mm long, blades deltate or deltate-ovate.....................................................................................................8

8. Bracts with the apex long-acuminate .................................................................................................................................. S. setulosa

- Bracts with the apex acute..................................................................................................................................................................9

9. Blades with margins serrate-crenate; rhizomatous plants ................................................................................................. S. oreopola

- Blades with margins crenate; non-rhizomatous plants ............................................................................................... S. glechomifolia