Question: What has more species: Gesneria or Bosea?

Context paragraphs:
Gesneria centuriella: Gesneria centuriella is a species of moth in the Crambidae family.  It is found from Europe (Fennoscandia, Estonia, Russia, Poland, Slovakia, the Czech Republic, Hungary, Romania, Bulgaria, Germany, Austria, Switzerland, Italy, France, Iceland), east to Japan.  It is also present in Greenland and northern North America.

Gesneria cuneifolia: Gesneria cuneifolia (yerba parrera) is a plant species in the Gesneriaceae family.

Gesneria: Gesneria is a genus of approximately 50 species in the flowering plant family Gesneriaceae.  Except for two or three odd South American species, all are native to islands of the Caribbean.  The genus is classified in the tribe Gesnerieae along with the genera "Bellonia", "Pheidonocarpa", and "Rhytidophyllum".  "Gesneria" species are usually woody shrubs or subshrubs, and (with the closely related "Rhytidophyllum") are unusual in the family in having alternately (rather than decussately) arranged leaves.  A complete list of the accepted species and their synonyms can be found in the Smithsonian Institution's World Checklist of Gesneriaceae.

Gesneria calycina: Gesneria calycina is a species of plant in the Gesneriaceae family.  It is endemic to Jamaica.

Bosea thiooxidans: Bosea thiooxidans is a gram-negative species of bacteria that oxidises thiosulfate, the type species of its genus.  Its type strain is BI-42.

Gesneria exserta: Gesneria exserta is a species of plant in the family Gesneriaceae.  It is endemic to Jamaica.

Gesneria calycosa: Gesneria calycosa is a species of plant in the Gesneriaceae family.  It is endemic to Jamaica.

Gesneria pauciflora: Gesneria pauciflora is a rare species of flowering plant in the family Gesneriaceae known by the common name yerba maricao de cueva.  It is endemic to Puerto Rico, where there are only three populations remaining.  It was federally listed as a threatened species of the United States in 1995.

Gesneria rindgeorum: Gesneria rindgeorum is a species of moth in the Crambidae family.  It is found in Utah, Wyoming, Montana and Washington.

Bosea (plant): Bosea The genus of evergreen, woody shrubs contains 3 species that are geographically widely separated; one in the Canary Islands, one in Cyprus and one in the western Himalayas.  The species have many crowded cane-like stems from ground level grow to medium to tall shrubs, smallish simple leaves with smooth margins, and tiny white-to-green flowers in branched spikes at end of branches.  The fruits are small berries, which have varied local uses as food plants and in traditional medicine.

Supporting paragraphs: Gesneria Bosea (plant)
Answer: Gesneria