Question: Which genus has more species, Sophora or Alluaudia?

Context paragraphs:
Alluaudia insignis: Alluaudia insignis is a species of beetle in the family Cerambycidae, and the only species in the genus Alluaudia.  It was described by Lameere in 1893.

Alluaudia: Alluaudia is a genus of flowering plants in the family Didiereaceae.  There are six species, all endemic to Madagascar.

Sophora: Sophora is a genus of about 45 species of small trees and shrubs in the pea family Fabaceae.  The species are native to southeast Europe, southern Asia, Australasia, various Pacific islands, western South America, the western United States, Florida and Puerto Rico.  The generic name is derived from "sophera", an Arabic name for a pea-flowered tree.

Romna pallida: Romna pallida is a species of plant bug.  It is endemic to New Zealand.  It has been found in both the North Island and the South Island.  It is found on plants of the genus "Sophora".

Styphnolobium: Styphnolobium is a small genus of three or four species of small trees and shrubs in the subfamily Faboideae of the pea family Fabaceae, formerly included within a broader interpretation of the genus "Sophora".  It was recently assigned to the unranked, monophyletic "Cladrastis" clade.  They differ from the genus "Calia" (mescalbeans) in having deciduous leaves and flowers in axillary, not terminal, racemes.  The leaves are pinnate, with 9–21 leaflets, and the flowers in pendulous racemes similar to those of the black locust.  Necklacepod is a common name for plants in this genus.

Sophora macrocarpa: Sophora macrocarpa is a species of flowering tree or shrub of the genus "Sophora", belonging to the Fabaceae family.  It is commonly known as mayú or mayo, and is endemic to central and southern continental Chile.

Sophora flavescens: Sophora flavescens, the shrubby sophora, is a species of plant in the genus "Sophora" a genus of the Fabaceae family, that contains about 52 species, nineteen varieties, and seven forms that are widely distributed in Asia,

Kōwhai: Kōwhai (] or ] ) are small woody legume trees within the genus "Sophora" that are native to New Zealand.  There are eight species, with "Sophora microphylla" and "S. tetraptera" being the most recognised as large trees.  Their natural habitat is beside streams and on the edges of forest, in lowland or mountain open areas.  Kōwhai trees grow throughout the country and are a common feature in New Zealand gardens.  Outside of New Zealand, kōwhai tend to be restricted to mild temperate maritime climates.

Supporting paragraphs: Sophora Alluaudia
Answer: Sophora