稻族 dao zu

Authors: Liang Liu & Sylvia M. Phillips

Annuals or perennials. Leaf blades usually linear, rarely elliptic; ligule membranous. Inflorescence a panicle, occasionally with simple racemelike primary branches; spikelets all alike or the sexes separate. Spikelets with 1 floret, mostly laterally compressed, rachilla extension absent, falling entire; glumes absent or reduced to small scales at base of floret; lemma membranous to leathery, keeled, 5–10-veined, entire, with or without a straight awn from the apex; palea resembling lemma but narrower, 3–7-veined with central keel. Lodicules 2. Stamens usually 6 (1 in Chikusichloa). Caryopsis linear to ovoid. Leaf anatomy:non-Kranz; microhairs slender (apical cell short and inflated in Hygroryza); fusoid cells present or absent. x = 12 (in Zizania 15, 17).

Thirteen genera and ca. 70 species: tropical and warm-temperate regions of the world; five genera and thirteen species (two introduced) in China.

This is a widespread tribe of aquatic and marshland grasses. It can be recognized by its multi-veined keeled palea, and usually by the presence of 6 stamens.

Lower Taxa

• Chikusichloa Koidzumi
• Hygroryza Nees
• Leersia Solander ex Swartz
• Oryza Linnaeus
• Zizania Linnaeus