Key to genera based on flowering specimens

1. Herbaceous, parasitic vine without leaves.......... Cassytha

1a. Trees or shrubs with regular leaves................................. 2

2. Stamens 4-locular ................................................. Ocotea

2a. Stamens 2-locular, rarely 1-locular ................................. 3

3. Flowers with 4 tepals ..................................................... 4

3a. Flowers with 6 tepals ..................................................... 5

4. Leaves alternate ................................................ Potameia

4a. Leaves opposite.................................... Beilschmiedia p.p.

5. Stamens 3 or 6; leaves opposite ................. Aspidostemon

5a. Stamens 9; leaves alternate, rarely opposite; if opposite, tertiary venation raised................................................... 6

6. Receptacle tube deep, the ovary enclosed in the tube ....... ...................................................................... Cryptocarya

6a. Receptacle tube very short, the ovary fully exposed in the flower ................................................... Beilschmiedia