Question: Which genus is in the Zingiberaceae family, Curcuma or Alopecurus?

Context paragraphs:
Tamijia: Tamijia flagellaris is the only species within the Tamijia genus.  It is part of the Zingiberaceae family.

Curcuma: 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.

Burbidgea: Burbidgea is a genus of plants in the Zingiberaceae family.  There are five known species, all endemic to the island of Borneo.

Riedelia (plant): Riedelia is a genus of plants in the Zingiberaceae family.  The genus contains approximately 75 species that are distributed among New Guinea, the Solomon Islands, and Maluku Province in eastern Indonesia.  Among the described species is "Riedelia charontis", which was formally described in 2010.

Alopecurus: Alopecurus, or foxtail grass, is a common and widespread genus of plants in the grass family.  It is common across temperate and subtropical parts of Eurasia, northern Africa, and the Americas, as well as naturalized in Australia and on various islands.

Curcuma angustifolia: 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.

Curcuma zedoaria: Curcuma zedoaria (zedoary, white turmeric, or kentjur) is a perennial herb and member of the genus "Curcuma", family Zingiberaceae.  The plant is native to India and Indonesia but now naturalized in other places including the US state of Florida.  It was introduced to Europe by Arab traders around the sixth century, but its use as a spice in the West today is extremely rare, having been replaced by ginger, and to a lesser extent, yellow turmeric.

Renealmia sessilifolia: Renealmia sessilifolia is a species of plant in the Zingiberaceae family.  It is endemic to Ecuador.  Its natural habitat is subtropical or tropical moist montane forests.

Curcuma aromatica: Curcuma aromatica (common name: wild turmeric) is a member of the "Curcuma" genus belonging to the family Zingiberaceae.  Botanically close to "Curcuma australasica", wild turmeric has been widely used as a cosmetic herbal in South Asia and nearby regions.

Myoga: Myoga, myoga ginger or Japanese ginger (myōga (茗荷 ) ) is the species Zingiber mioga in the Zingiberaceae family.  It is a deciduous herbaceous perennial native to Japan, China, and the southern part of Korea.  Only its edible flower buds and flavorful shoots are used in cooking.  The flower buds are finely shredded and used in Japanese cuisine as a garnish for "miso" soup, "sunomono", and dishes such as roasted eggplant.  In Korean cuisine, the flower buds are skewered alternately with pieces of meat and then are pan-fried.

Supporting paragraphs: Curcuma Alopecurus
Answer: Curcuma