Question: Which genus has over 750 species, Indigofera or Eriophyllum?

Context paragraphs:
Indigofera australis: Indigofera australis, known as Australian Indigo, is an attractive species of leguminous shrub in the genus "Indigofera" (Fabaceae family).  The genus name ""Indigofera"" is Neo-Latin for "bearing Indigo" (Indigo is a purple dye originally obtained from some "Indigofera" species), while "australis" from the Latin, means "southern", referring to the geographical distribution of the species.

Indigofera: Indigofera is a large genus of over 750 species of flowering plants belonging to the family Fabaceae.  They are widely distributed throughout the tropical and subtropical regions of the world.

National Botanic Garden (Zimbabwe): National Botanic Garden of Zimbabwe is situated about 4 km North of Harare City Centre in the suburb of Alexandra Park.  It also houses the National Herbarium of Zimbabwe.  The gardens have an area of almost 7 square kilometres.  Initially established as a recreation area in 1902.  In 1962 it became the National Botanic Gardens under the direction of Dr. Hyram Wilder. .  Half of the gardens are devoted to indigenous plants from Zimbabwe's woodlands and include most of the 750 species found in the country.  Other areas contain plants typical to the African continent including rare and endangered species, as well as exotics from South America, India, Australia and the Far East.

Anthophorini: The Anthophorini are a large tribe in the subfamily Apinae of the family Apidae.  Species in this tribe are often referred to as digger bees, although this common name is sometimes also applied to members of the tribe Centridini.  It has over 750 species worldwide that were previously classified in the family Anthophoridae; the vast majority of species are in the genera "Amegilla" and "Anthophora".

Ficus atricha: Ficus atricha, commonly known as the rock breaker fig, is a tree in the family Moraceae native to northwestern Australia.  It is a banyan of the genus "Ficus" which contains around 750 species worldwide in warm climates, including the edible fig ("Ficus carica").

Ficus brachypoda: Ficus brachypoda is a tree in the family Moraceae native to northern Australia.  It is a banyan of the genus "Ficus" which contains around 750 species worldwide in warm climates, including the edible fig ("Ficus carica").

List of Russula species: This is a list of "Russula" species.  The genus has a widespread distribution, and contains about 750 species.

The Arboretum at Flagstaff: The Arboretum at Flagstaff is a 200 acre arboretum that is home to 750 species of mostly drought-tolerant adapted and native plants representative of the high-desert Colorado Plateau, home to the Grand Canyon and Zion National Park.  It is located 3.8 mi south of U.S. Route 66 on Woody Mountain Road, on the west side of Flagstaff, Arizona, USA.  The facility is located at 7,150' in elevation, making it one of the highest-elevation public gardens in the United States.  The Arboretum has an extensive regional collection of the Penstemon genus and hosts an annual Penstemon Festival.

Ficus obliqua: Ficus obliqua, commonly known as the small-leaved fig, is a tree in the family Moraceae, native to eastern Australia, New Guinea, eastern Indonesia to Sulawesi and islands in the southwestern Pacific Ocean.  Previously known for many years as Ficus eugenioides, it is a banyan of the genus "Ficus", which contains around 750 species worldwide in warm climates, including the edible fig ("Ficus carica").  Beginning life as a seedling, which grows on other plants (epiphyte) or on rocks (lithophyte), "F. obliqua" can grow to 60 m high and nearly as wide with a pale grey buttressed trunk, and glossy green leaves.

Eriophyllum: Eriophyllum, commonly known as the woolly sunflower, is a North American genus of plants in the sunflower family.  The genus is native to western North America (USA, Canada, northwestern Mexico), with a concentration of narrow endemics in California.

Supporting paragraphs: Indigofera Eriophyllum
Answer: Indigofera