Rhus L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 236

1. Rhus L. 4

Polygamous or dioecious shrubs or small trees, often with resinous bark. Buds naked. Leaves digitate or pinnate. Flowers

small, in axillary or terminal panicles. Petals 5. Stamens 5. Placentation basal. Fruit with short, non-plumose pedicels; styles terminal. 1 Leaves pinnate

2 Rhachisof leaveswinged,at leastbetweenthedistalleaflets

1. coriaria 2 Rhachis of leaves completely unwinged 2. typhina 1 Leaves digitate

3 Bark of twigs grey; at least some leaves with 5 leaflets; leaflets entire or 3-dentate at apex 3. pentaphylla 3 Barkof twigsbrown; leaveswith3 leaflets; leafletsentireor with 2-3 teeth on each side 4. tripartita