Question: Which genus contains more officially recognized species, Oplismenus or Abrus?

Context paragraphs:
Pseudopleurococcus: Pseudopleurococcus is a genus of green algae, in the family Chaetophoraceae.  It was described by J.W. Snow in a 1899 volume of the "Annals of Botany".  The genus contains six recognized species.

Abrus: Abrus is a genus of flowering plants in the pea family, Fabaceae and the only genus found in the tribe Abreae.  It contains, 13–18 species, but is best known for a single species, Jequirity ("A. precatorius").  The highly toxic seeds of that species are used to make jewellery.

Spondianthus: Spondianthus is a genus of plant, in the family Phyllanthaceae and is the only genus comprised in the subtribe Spondianthinae.  It was first described as a genus in 1905.  The genus contains only one recognized species, Spondianthus preussii, widespread across much of tropical Africa from Liberia to Mozambique.

Oplismenus: Oplismenus is a small genus of annual or perennial grasses, commonly known as basketgrass, found throughout the tropics, subtropics, and in some cases, temperate regions of the Americas, Africa, Asia, and Australia.  The systematics of the genus are unclear, with over 100 described species, only 7 species are officially recognized as of October 2015.

Glossy snake: Arizona elegans is a species of medium-sized colubrid snake commonly referred to as the glossy snake or the faded snake, which is endemic to the southwestern United States and Mexico.  The genus "Arizona" has only one officially recognized species, "A. elegans", with several subspecies.  Some have recommended that "A. elegans occidentalis" be granted full species status.

Discocheilus: Discocheilus is a genus of cyprinid fishes endemic to China.  This genus contains two recognized species.

Pagetia: Pagetia is a genus of very small, agnostid trilobites, assigned to the family Eodiscidae, and that had a global distribution during the Middle Cambrian.  The genus contains 55 currently recognized species, each with a limited spatial and temporal distribution.

Latrodectus: Latrodectus is a genus of spiders in the family Theridiidae, most of which are commonly known as widow spiders.  The genus contains 31 recognized species distributed worldwide, including the North American black widows ("L. mactans", "L. hesperus", and "L. variolus"), the button spiders of Africa, and the Australian redback spider.  Species vary widely in size.  In most cases, the females are dark-coloured and readily identifiable by reddish markings on the abdomen, which are often (but not always) hourglass-shaped.

Calyptocephalellidae: The Calyptocephalellidae are a family of toads found in Chile containing two genera, "Calyptocephalella" and "Telmatobufo".  The "Calyptocephalella" genus contains one species, "C. gayi", the helmeted water toad, which is a large aquatic toad weighing up to 0.5 kg .  The "Telmatobufo" genus contains four species, "T. australis", "T. bullocki", "T. ignotus", and "T. venustus".  All species within the family are considered threatened, with "T. bullocki" and "T. venustus" being classified as critically endangered.

Placonotus: Placonotus is a genus of beetles in the family Laemophloeidae.  There are 40 currently recognized species, known from all continents except Antarctica.  "Placonotus" species are small (~2mm), elongate, flattened beetles, characterized by long filiform antennae, presence of a frontoclypeal suture, open anterior coxal cavities, and broadly rounded intercoxal process of abdominal ventrite III.  Males have the 8th abdominal segment modified to form claspers used during mating.  Adults and larvae are found under dead bark, where they feed on fungi.  Currently recognized species are:

Supporting paragraphs: Oplismenus Abrus
Answer: Abrus