Gentiana parryi (Parry's gentian) is a species of the genus "Gentiana".
 It is a perennial forb/herb native to Wyoming, Utah, Colorado and New Mexico.
Cyperus giganteus (also known as piripiri) is a plant in the genus "Cyperus".
 Its native range extends from Jalisco in west-central Mexico as far south as Uruguay, and also grows on some islands in the Caribbean (Cuba, Hispaniola, Puerto Rico, Jamaica, and Trinidad).
 The species is sparingly naturalized in eastern Texas and southern Louisiana.
Gentiana olivieri (Chinese: xie wan que qin jiao) is a plant species in the genus "Gentiana" found in Asia.
Gentiana asclepiadea (willow gentian) is a species of flowering plant of the genus "Gentiana" in the family Gentianaceae, native to central and eastern Europe from primarily mountain (montane) woodland though it does occur in less wooded open pasture in some areas, perhaps persisting after woodland clearance.
Gentiana is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae.
 With about 400 species it is considered a large genus.
 They are notable for their mostly large, trumpet-shaped flowers, which are often of an intense blue.
The spring gentian ("Gentiana verna") is a species of the genus "Gentiana" and one of its smallest members, normally only growing to a height of a few centimetres.
Gentiana nivalis (snow gentian or Alpine gentian) is a species of the genus "Gentiana".
 It grows to a height of 3-15 centimetres.
Gentiana pneumonanthe (the marsh gentian) is a species of the genus "Gentiana".
 It was the first wildflower announced as flower of the year in Germany in 1980.
 The species can be found in marshes and moorlands.
 It is the host-plant of the Alcon Blue ("Phengaris alcon").
Cyperus elegans, the royal flatsedge, is a sedge species in the genus "Cyperus" from Central and South America.
Cyperus is a large genus of about 700 species of sedges, distributed throughout all continents in both tropical and temperate regions.

Question: Which genus has more species, Cyperus or Gentiana?
Answer: Cyperus