Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Oryza sativa
FAMILY
Poaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Perhaps the single most important food crop in the world, developed as a crop in Asia and cultivated for at least about 12,000 years. Read more in Weakley's Flora (2023).
Learn more from Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oryza sativa
FAMILY
Poaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oryza sativa
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 24 (2007)
Oryza sativa
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Oryza sativa
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Oryza sativa
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-63-001:
Oryza sativa FAMILY Poaceae
SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Oryza sativa
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Oryza sativa
COMMON NAME:
Rice, Asian Rice
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_orsa_001_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Oryza sativa
FAMILY
Poaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oryza sativa
FAMILY
Poaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oryza sativa
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 24
Oryza sativa
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Oryza sativa
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Oryza sativa
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-63-001:
Oryza sativa
FAMILY
Poaceae
SYNONYMOUS WITH
Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Oryza sativa
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Oryza sativa
4867
Grass, Sedge, or Rush
Annual
Habitat: marshes, impoundments, of only sporadic occurrence outside of cultivation, per Weakley's Flora
Non-native: Asia
Waif(s)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Simple
Alternate, 2-ranked
RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping]
FLOWER:
Summer/Fall
Spikelets with a single bisexual floret (no staminate, sterile, or reduced flore
Inflorescence paniculate
FRUIT:
Summer/Fall?
Grain whitish
Grain
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".