Domesticated rice comprises two species in the
Poaceae ("true grass") family, Oryza sativa and Oryza glaberrima. These
plants are native to tropical and subtropical southern
Asia and southeastern
Africa. Rice provides more than one fifth of the
calories consumed worldwide by
humans. (The term "
wild rice" can refer to the wild species of Oryza, but conventionally refers to species of the related genus
Zizania, both wild and domesticated.) Rice is a
monocarpic annual plant, growing to 1–1.8 m tall, occasionally more depending on the variety and
soil fertility. The grass has long, slender
leaves 50–100 cm long and 2–2.5 cm broad. The small
wind-pollinated flowers are produced in a branched arching to pendulous
inflorescence 30–50 cm long. The
seed is a
grain (caryopsis) 5–12 mm long and 2–3 mm thick.
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= rice.
Ex: He wrote a report on the shifting cultivation of hill rice.
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* papel de arroz = rice paper, pith paper.