KEY TO THE SPECIES

1Leaves 3-6-jugate. Panicles axillary, rarely some ramiflorous. Petals up to 8 mm, minutely puberulous inside, coherent above the claw. Snorter stamens without anther. Ovules 3-5 per cell. Fruit stellate in ø. Seed arillate.
1'Leaves 7-19-jugate. Panicles cauliflorous, rarely some axillary. Petals 10-20 mm, glabrous inside, not coherent above the claw. All stamens antheriferous. Ovules 4-7 per cell. Fruit terete, slightly lobed. Seed exarillate.