Question: Between Shibataea and Pediocactus, which is a genus of a Chinese bamboo in the grass family?

full_context: Document 1: Semiarundinaria: Semiarundinaria is a genus of East Asian bamboo in the grass family.
Document 2: Fargesia: Fargesia is a genus of Asian bamboo in the grass family. They are native primarily to China, with a few species in Vietnam and in the eastern Himalayas. Some species are cultivated as ornamentals, with common names include umbrella bamboo and fountain bamboo.
Document 3: Mammillaria: The genus Mammillaria is one of the largest in the cactus family (Cactaceae), with currently 200 known species and varieties recognized. Most of the mammillarias are native to Mexico, but some come from the southwest United States, the Caribbean, Colombia, Venezuela, Guatemala and Honduras. The common name "pincushion cactus" refers to this and the closely related genus "Escobaria".
Document 4: Pediocactus: Pediocactus (Greek: πεδίον (pedion) means "plain", "flat", "field") is a genus of cacti. The genus comprises between 6 and 11 species, depending upon the authority. Species of this genus are referred to as hedgehog cacti, though that name is also applied to plants from the genera "Echinocereus" and "Echinopsis". Species may also be referred to as pincushion cacti, a common name which is also applied to other genera.
Document 5: Chimonobambusa: Chimonobambusa is a genus of East Asian bamboo in the grass family. They are native to China, Japan, Vietnam, Myanmar, and the Himalayas.
Document 6: Fishhook cactus: Fishhook cactus is a common name for any hook-spined species of the genera "Mammillaria", "Echinomastus" or "Sclerocactus". They are small cacti, usually growing up to 6-7 inches (20 cm) high, and are shaped similar to a barrel cactus. They are not to be confused with the fishhook barrel cactus ("Ferocactus wislizenii") of the Sonoran and Chihuahuan Deserts. The Fishhook cactus is a large category of around 150 species.
Document 7: Escobaria: Escobaria, pincushion cactus or foxtail cactus is a genus of low-growing cacti that range from the southernmost parts of central and western Canada through northern Mexico, with one species in Cuba. The genus comprises about 23 species. The term "pincushion cactus" may also refer to the related "Mammillaria".
Document 8: Coryphantha: Coryphantha (from Greek, "flowering on the top"), or beehive cactus, is a genus of small to middle-sized, globose or columnar cacti. The genus is native to arid parts of Central America, Mexico, through Arizona, New Mexico, and western Texas and north into southwestern, central, and southeastern Montana. With its two subgenera, 57 species and 20 subspecies, it is one of the largest genera of cactus.
Document 9: Pleioblastus: Pleioblastus is a, East Asian genus of monopodial bamboos in the grass family. They are native to China and Japan, and naturalized in scattered places in Korea, Europe, New Zealand, and the Western Hemisphere.
Document 10: Opuntia: Opuntia is a genus in the cactus family, Cactaceae.
Document 11: Sasa palmata: Sasa palmata is a species of low-growing, shade-tolerant bamboo that is native to Japan. It is known as broadleaf bamboo or broad-leaved bamboo.
Document 12: Echinopsis: Echinopsis is a large genus of cacti native to South America, sometimes known as hedgehog cactus, sea-urchin cactus or Easter lily cactus. One small species, "E. chamaecereus", is known as the peanut cactus. The 128 species range from large and treelike types to small globose cacti. The name derives from "echinos" hedgehog or sea urchin, and "opsis" appearance, a reference to these plants' dense coverings of spines.
Document 13: Pachypodium: Pachypodium is a genus of succulent spine-bearing trees and shrubs, native to Madagascar and Africa. It belongs to the dogbane family, Apocynaceae. "Pachypodium" comes from a Latin form from Greek "pachus" (thick) and "podion" (foot) (or Gk podos, root form of pous, foot), hence meaning "thick-footed".
Document 14: Shibataea: Shibataea is a genus of Chinese bamboo in the grass family.
Document 15: Phyllostachys aurea: Phyllostachys aurea is a bamboo species of the 'running bamboo' type, belonging to the diverse Bambuseae tribe. It is native to Fujian and Zhejiang in China. It is commonly known by the names fishpole bamboo, golden bamboo, monk's belly bamboo and fairyland bamboo (Australia).
ground_truth: Shibataea