Senna

Queensland

Some species have clusters of tiny hair-like glandular structures (colleters) between the leaflet pairs; these are not considered glands for the purpose of this key. The specialised gland is larger (typically 0.5-2 mm) and is solitary between the leaflet pair (or on the petiole) and exudes nectar. Senna venusta (for example) has colleters, but no glands. Senna clavigera = S. sophera.