Escalloniaceae, R. Br. ex Dumortier, 1829

Villarroel, Alejandro E., Menegoz, Kora & Lavandero, Nicolás, 2021, Rayenia malalcurensis (Escalloniaceae), a new genus and species endemic to Central Chile, Phytotaxa 484 (1), pp. 96-112 : 105

Key to the South American genera of Escalloniaceae :

1. Trees, shrubs, or subshrubs; Ovary inferior .......................................................................................................................................2

- Creeping subshrubs, usually forming cushions; Ovary superior........................................................................................................3

2. Trees or shrubs; Petals 5, glabrous; Stamens 5; Ovary crowned by a conspicuous nectary disc; Fruit dehiscent............................... ............................................................................................................................................................................................. Escallonia

- Leafy rosettes to subshrubs up to 40 cm high; Petals 5–7, densely pubescent at the base on the adaxial side; Stamens 5–7; Ovary without an evident nectary disc; Fruit indehiscent .................................................................................................................. Valdivia

3. Petals white, Ovary 3-carpelate, trilocular; Fruit a loculicidal capsule................................................................................... Tribeles

- Petals pink, Ovary 5-carpelate, pentalocular; Fruit a septicidal capsule................................................................................ Rayenia