Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Echinochloa colonum ssp. colonum
FAMILY
Poaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Jungle-rice from the Vascular Plants of North Carolina.
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
PLANTS NATIONAL DATABASE:
Echinochloa colona
FAMILY
Poaceae
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Echinochloa colona
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Flora of North America north of Mexico, vol. 25 (2003)
Echinochloa colona
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-73-001:
Echinochloa colonum FAMILY Poaceae
SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Echinochloa colonum
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Manual of the Southeastern Flora (Small, 1933, 1938)
Echinochloa colona
COMMON NAME:
Jungle-rice
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_ecco2_001_lvd
)
USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_ecco2_003_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_ecco2_004_lvd
)
Keith Bradley kab_e_colonum_3949
August Miami-Dade County FL
Panicle 5-15cm long; racemes 1-2cm long, appressed or ascending, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Echinochloa colonum ssp. colonum
FAMILY
Poaceae
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
PLANTS NATIONAL DATABASE:
Echinochloa colona
FAMILY
Poaceae
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Echinochloa colona
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Flora of North America north of Mexico, vol. 25
Echinochloa colona
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-73-001:
Echinochloa colonum
FAMILY
Poaceae
SYNONYMOUS WITH
Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Echinochloa colonum
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Manual of the Southeastern Flora (Small, 1933, 1938)
Echinochloa colona
3941
Grass, Sedge, or Rush
Annual
Habitat: Fields, ditches, disturbed wet areas, per Weakley's Flora
Non-native: Old World tropics
Uncommon (common in NC Coastal Plain) (rare in NC Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Alternate, 2-ranked
FLOWER:
Winter/Spring/Summer/Fall
Inflorescence a narrow panicle
FRUIT:
Winter/Spring/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".