Curcuma is a genus of about 100 accepted species in the family Zingiberaceae that contains such species as turmeric and Siam Tulip.
 They are native to Southeast Asia, southern China, the Indian Subcontinent, New Guinea and northern Australia.
 Some species are reportedly naturalised in other warm parts of the world such as tropical Africa, Central America, Florida, and various islands of the Pacific, Indian and Atlantic Oceans.
Curcuma angustifolia is one of over 80 species belonging to the genus "Curcuma" , in the family Zingiberaceae.
 This species is native to the Indian subcontinent and is more commonly known as East Indian arrowroot or narrow-leaved turmeric in English, and is called "yaipan" in Manipuri, "tikhur" in Hindi, and "Koova" കൂവ in Malayalam, and is called "Kutupah" in Poula.
 In the Eastern hemisphere, the plant plays an integral role in many cultures.
Heracleum is a genus of about 60 species (depending on taxonomic interpretation) of biennial and perennial herbs in the carrot family Apiaceae.
 They are found throughout the temperate northern hemisphere and in high mountains as far south as Ethiopia.
 Common names for the genus or its species include hogweed and cow parsnip.
Streptomyces phytohabitans is a bacterium species from the genus of "Streptomyces" which has been isolated from the plant Curcuma phaeocaulis from the Sichuan Province in China.
 "Streptomyces phytohabitans" produces the macrolides novonestmycin A and novonestmycin B.

Question: Which genus containes more species: Heracleum or Curcuma?
Answer: Curcuma