Storax or snowbell is the common names of Styrax, a genus of about 130 species of large shrubs or small trees in the family Styracaceae, mostly native to warm temperate to tropical regions of the Northern Hemisphere, with the majority in eastern and southeastern Asia, but also crossing the equator in South America.
 The resin obtained from the tree is called storax or benzoin (not to be confused with the "Liquidambar" storax balsam).
Liquidambar, commonly called sweetgum (sweet gum in the UK), gum, redgum, satin-walnut, or American storax, is the only genus in the flowering plant family Altingiaceae with 15 species.
 They were formerly often treated in Hamamelidaceae.
Loropetalum is a genus of three species of shrubs or small trees in the witch-hazel family, Hamamelidaceae, native to China, Japan, and south-eastern Asia.
Liquidambar changii is an extinct species of sweetgum in the Altingiaceae genus "Liquidambar".
 "Liquidambar changii" is known from Middle Miocene fossils found in Central Washington.
Aristobia testudo is a species of beetle in the family Cerambycidae.
 It was described by Voet in 1778, originally under the genus "Cerambyx".
 It is known from Myanmar, India, China, Laos, Bangladesh, Thailand, and Vietnam.
 It feeds on "Prunus persica", "Liquidambar formosana", "Quercus acutissima", "Prunus salicina", and "Nephelium mutabile".

Question: Which genus has more species, Loropetalum or Liquidambar?
Answer: Liquidambar