Which genus has more species Fatsia or Leuchtenbergia ?
Fatsia
Title: Tetrapanax
Passage: Tetrapanax papyrifer (rice-paper plant, or "通草—tong cao") is an evergreen shrub in the family Araliaceae, the sole species in the genus Tetrapanax.  The specific epithet is frequently misspelled as "papyriferum", "papyriferus", or "papyrifera".  It is endemic to Taiwan, but widely cultivated in East Asia and sometimes in other tropical regions as well.  The species was once included in the genus "Fatsia" as "Fatsia papyrifera".
Title: Leuchtenbergia
Passage: Leuchtenbergia principis (agave cactus or prism cactus), the sole species of the genus Leuchtenbergia, is a species of cactus.  It is native to north-central Mexico (San Luis Potosi, Chihuahua).  The genus is named after Maximilian Eugen Joseph (1817–1852), Duke of Leuchtenberg and amateur botanist.
Title: Fatsia
Passage: Fatsia is a small genus of three species of evergreen shrubs native to southern Japan and Taiwan.  They typically have stout, sparsely branched stems bearing spirally-arranged, large leathery, palmately lobed leaves 20–50 cm in width, on a petiole up to 50 cm long, and small creamy-white flowers in dense terminal compound umbels in late autumn or early winter, followed by small black fruit.
Fatsia Leuchtenbergia