Pleroma, D. Don, 1823

Meyer, Fabrício Schmitz & Goldenberg, Renato, 2023, A new species of Pleroma (Melastomataceae) from high-altitude grasslands of the state of São Paulo, Brazil, Phytotaxa 616 (1), pp. 89-98 : 95

Identification key for the native species of Pleroma in the high-altitude grasslands of the Parque Estadual da Serra do Mar, Núcleo Curucutu

1. Leaves discolorous; hypanthium oblong to oblong-campanulate, conspicuously constricted at the apex ................. P. scaberrimum

- Leaves concolorous; hypanthium campanulate, not constricted at the apex......................................................................................2

2. Flowers solitary ............................................................................................................................................................ P. sellowianum

- Flowers arranged in inflorescences, from cymes with few flowers (3–9) flowers) to thyrsoids with more than 15 flowers ............3

3. Pedoconnective appendages glandulose-pilose............................................................................................................. P. fothergillae

- Pedoconnective appendages glabrous ................................................................................................................................................4

4. Bracteoles ovate to orbicular, 3.9–7.2 × 3.2–6 mm; hypanthium setulose.................................................................. P. trichopodum

- Bracteoles cucullate, 9–11.2 × 8–9.2 mm; hypanthium sericeous ............................................................................ P. curucutuense