Peritassa species

Lombardi, Julio Antonio, 2021, A new species of Peritassa (Celastraceae) from Espírito Santo, Brazil, Phytotaxa 491 (1), pp. 79-84 : 83

Key to the Peritassa species in Southeastern Brazil

1. Anther dehiscence by longitudinal slits; connective conspicuous or inconspicuous ........................................................................2.

1. Anther dehiscence by oblique, sometimes almost transversal, slits; connective inconspicuous.......................................................7.

2. Connective inconspicuous ................................................................................................................................ Peritassa formidolosa

2. Connective conspicuous ....................................................................................................................................................................3.

3. Inflorescence with an evident axis ....................................................................................................................... Peritassa . laevigata

3. Inflorescence without evident axis ....................................................................................................................................................4.

4. Leaves alternate, very rarely opposite, shrubs or treelets of Cerrado grasslands............................................... Peritassa campestris

4. Leaves opposite; lianas, trees or treelets of ombrophilus Atlantic Forest .........................................................................................5.

5. Leaves margin crenate to serrulate ........................................................................................................................ Peritassa flaviflora

5. Leaf margin entire .............................................................................................................................................................................6.

6. Filaments not going beyond the edge of the disc .............................................................................................. Peritassa calypsoides

6. Filaments extending beyond the edge of the disc............................................................................................ Peritassa hatschbachii

7. Ovules per locule 1; leaves drying with a rough appearance, when dried greenish-gray on the adaxial side, gray-brown on the abaxial side ............................................................................................................................................................... Peritassa mexiae

7. 2–4 ovules per locule; leaves not drying with a rough appearance, when dried brown or greenish-gray on the adaxial side, brown on the abaxial side .............................................................................................................................................................................8.

8. Pedicels ca 2.9 mm; peduncles obsolete; fruits immature subpyriform............................................................... Peritassa longifolia

8. Floral axis 1.2-1.7 mm; peduncles 2-7 mm; fruits ellipsoid..................................................................................... Peritassa sadleri